问题详情

Bob：Rat happened？
Jenny：Well，I was walking to school，and I suddenly felt very sick．
Bob：Yes…
Jenny：So，I went back to my apartment and stayed in bed all day．
Bob：Oh，__________．
A.it，s terrible
B.it，s bad
C.I"m sorry to hear that
D.it’S sad请帮忙给出正确答案和分析，谢谢！