7[单选题]
<p style="FONT-SIZE: 12pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 'Times New Roman'"><span>We didn't go fishing yesterday because it<u><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></u><span>&nbsp;</span>all day.</span></p>

A.had rained

B.would rain

C.) had been raining

D.was raining