问题

The results of the medical checkup suggested that my father ______ in poor health, so the doctorsuggested that he ______ smoking and take more exercise.[ ]
A: was; gave up
B: be; should give up
C: should be; gave up
D: was; give up
B: be; should give up
C: should be; gave up
D: was; give up
正确答案是: