The farmers were so sad they lost their farms.A. thatB. because ofC. butD. because

The farmers were so sad they lost their farms.
A. that
B. because of
C. but
D. because

A. thatB. because ofC. but(答案→)D. because解析：根据题干，本句的意思是“农民们如此难过，因为他们失去了他们的农田。”根据前后句的关系，故应该用“因为”。故排除AC。Because of后面应该跟词或短语，不能跟句子。故只能用because。所以本题选D。

感谢回答，我学习了