His mother was seriously ill, in ________ case he had to take $ 800 for the carHis mother was seriou

His mother was seriously ill, in ________ case he had to take $ 800 for the carHis mother was seriously ill, in ________ case he had to take $ 800 for the car.

A.that

B.who

C.which

D.this

答案及解析： C