单选题 Calvin had long been known for his mendacity, but even those who knew him well were surprised at the ______ explanation he gave for the shortage of funds.

【正确答案】 B
【答案解析】(disingenuous不真诚的)。句意为：长期以来，卡尔文因说谎而闻名，但是连最了解他的人对他就资金短缺所作的虚伪解释感到吃惊。A．elegant雅致的；C． dogmatic固执已见的；D．bitter怀恨的，抱怨的。