单选题 The doctor warned him that his ______ nature made him susceptible to a stroke and urged him to curb his temper.
A. chronic B. illusory C. choleric D. candid

【正确答案】 C
【答案解析】(choleric易怒的)。句意为：医生警告他，易怒的性情很容易使他中风，并且敦促他抑制怒气。A．chronic慢性的；B．illusory产生幻觉的；D．candid坦率的。