He had meant to tour the deserted temple for ________ fun but he didn’t find ________ fun for doing

He had meant to tour the deserted temple for ________ fun but he didn’t find ________ fun for doing that．

A./; the

B./; /

C.the; the

D.a; the

答案及解析： A

fun为乐趣时是不可数名词，为“有趣的人/事”时为可数名词。