The newly-founded pany is faced with lots of trouble, the financial problem ia not the worst.
A. which
B. of which
C. to whom
D. with which
网友回答
A. which
(答案→)B. of which
C. to whom
D. with which
解析：考定语从句。由从句中的短语the worst(of the trouble)判断出该定语从句应当用of which来引导。