These films until tomorrow morning.
A. can't develop
B. aren't developing
C. won't be developed
D. won't develop
网友回答
A. can't develop
B. aren't developing
(答案→)C. won't be developed
D. won't develop
解析：根据时间状语tomorrow morning可知应用一般将来时态。由于主语films(胶卷)是动作develop(冲洗)的承受者，所以用被动语态。