Question

carelessness is often the ____of fires

Answer 1

答案是B.

从语法角度说,

1 如果选用A,句子就成了--------Carelessness is often the REASON FOR fires.

2 如果选用D,句子就成了--------Fires are the effect / result of carelessness.

3 c 不符合你的语境.

Andrew wants to change his job but his wife IS AGAINST it.

==Andrew wants to change his job but his wife DISAGREES WITH it