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
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。