单选题 All the questions ______ around what she had been doing on the night of the robbery.
A. dissolved B. revolved C. evolved D. devolved

【正确答案】 B

【答案解析】[解析] dissolve“溶解，解散”；revolve“旋转；反复考虑”，revolve around“围绕”；evolve“发展；使进化”；devolve“移交，转移”。根据句意可知，答案是B。