请选择DCBA:x(i6};E)V)W(? I don't know _________ he will come tomorrow. _________ he comes, I'll tell you．7F*`+p8s-K
A. if; Whether7F*`+p8s-K
B. whether; Whether7F*`+p8s-K
C. if; That7F*`+p8s-K
D. if; If7F*`+p8s-K