challenge: What is the origin of the term 'millefiori'?
  
  A. A combination of the Italian words for 'color' and 'pattern'
  B. A combination of the Italian words for 'beauty' and 'craft'
  C. A combination of the Italian words for 'glass' and 'art'
  D. A combination of the Italian words 'mille' (thousand) and 'fiori' (flowers)
  Answer: 