Do you have any ________ out the problem?

Do you have any ________ out the problem?

A.difficulty in working

B.difficulty to work

C.difficulties working

D.difficulties to work

答案及解析： A

解析：

have difficulty in doing sth．意为“干某事有困难”，是固定结构，其中difficulty是不可数名词，后面的介词in可省略。