This is a question from Manhattan test prep 5lb book, page 142:

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> *A Small Place* is Jamaica Kincaid’s memoir of growing up in Antigua as well as an indictment of the Antiguan government and Britain’s colonial legacy in Antigua. Kincaid blames colonial rule for many of Antigua’s current problems, including drug dealing and selling off land for tourist properties. Kincaid’s critics question why, if the British are responsible for the Antiguan government’s corruption, the British government itself isn’t more corrupt. Kincaid has responded that there must have been some good people among the British, but that they stayed home.
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> Based on the information in the passage, which of the following would Kincaid most likely agree with? 
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> a. A government can bring about a degree of corruption abroad that the government itself does not suffer from at home.  
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>  b. Britain has caused corruption in governments throughout its former colonial empire.  
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>  c. Selling off land for tourism-related purposes is a problem for Antigua.
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The answer and conclusion given in the book is a and c only. 

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> Kincaid’s critics point out that Britain’s government is not as corrupt as Antigua’s. Kincaid makes a witty rejoinder, but does not deny that the British government is less corrupt than Antigua’s. This, coupled with her stated belief that Britain is responsible for corruption in Antigua, justifies the first statement. As for the second statement, it would not be surprising if Kincaid did think this, but no governments of the “former colonial empire” are discussed in the passage except Antigua’s. Finally, the third passage refers to “Antigua’s current problems, including drug dealing and selling off land for tourist properties,” so the third statement is true.
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However, I do not agree that kincaid believed that Britain's government was "not at all corrupt". She just does not deny the fact that Antigua is more corrupt than Britain.

See option a, which in a way can be interpreted as Britain is not all corrupt.
Any help would be appreciated.