–Whendidthemanagerdecidetoconstructthetheoryofmanageme...

問題詳情：

 – When did the manager decide to construct the theory of management?

-- It was last month ___________ the management system suffered from a drawback.

A. when             B. that             C. which                D. where

【回答】

A

知識點：連詞

題型：選擇題