What_____pleasant surprise! I’ll tell Richard about it____minute he comes home

A.a, the

B.a, a

C.a, /

D./, the

答案及解析： A

解析：

as soon as/ the moment/ the minute “一。。。就” a pleasant surprise “多么一件另人高兴的惊喜呀”指事，可加冠词。