If you plant watermelon seeds in the spring, you fresh watermelon in the fall.
A. eat
B. would eat
C. have eaten
D. will be eating
网友回答
A. eat
B. would eat
C. have eaten
(答案→)D. will be eating
解析：本题的含义是如果你在春天种下西瓜种子，那么在秋季你将能够吃到西瓜。表示将来必然会发生的事可用将来进行时，结构为will be doing，故本题选D。