There are a lot of things ＿ I need to do before I leave tonight.A.that B.who C.which D.what空怎么选

There are a lot of things ＿ I need to do before I leave tonight.A.that B.who C.which D.what空怎么选
There are a lot of things ＿ I need to do before I leave tonight.
A.that B.who C.which D.what
空怎么选

There are a lot of things ＿ I need to do before I leave tonight.A.that B.who C.which D.what空怎么选
A
前有 a lot of 不用which
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a

选a,望采纳！