Managing money has long been a headache for students mostly supported by their family who

问题补充：

Managing money has long been a headache for students mostly supported by their family, who find it to deal with their finances.

A. challenging

B. rewarding

C. demanding

D. exciting

答案：

(答案→)A. challenging

B. rewarding

C. demanding

D. exciting

解析：考查形容词：A. challenging有挑战的，B. rewarding值得的，C. demanding苛刻的，D. exciting令人兴奋的，句意：管理资金一直困扰主要是由他们的家庭支持的学生,他们发现处理他们的财政状况很有挑战性。选A。