What was the outcome of the parliament of the Socialist Republic of Bosnia and Herzegovina's vote on the 'memorandum on sovereignty' on 15 October 1991?

A. The memorandum was rejected due to opposition from Bosnian Serb members
B. The memorandum was adopted after Bosnian Serb representatives walked out
C. The memorandum was adopted with amendments to address Bosnian Serb concerns
D. The vote was postponed due to a lack of quorum
Answer: 