He wanted to know _____ he  English party.  [ ]

A. when will we have

B. when we will have

C. when would we have

D. when we would have

一组杂交品种AaBb×aaBb，各对基因之间按自由组合定律遗传，则F1表现型和基因型的种数为（）

A.2，6

B.4，9

C.2，4

D.4，6