31.Mike's father,as well as his mother,insisted that he ----

31.Mike's father,as well as his mother,insisted that he ________ home.
A.stayed B.could stay C.has stayed D.stay
32.Mr.Smith insisted that he ________ the work all.
A.had done B.have done C.did D.so
有人说insist过去不虚拟.那答案不是A