The director had her assistant ( ) some hot dogs for the meeting.A.picked up B.picks up C.pick upD.picking up

The director had her assistant ( ) some hot dogs for the meeting.A.picked up B.picks up C.pick upD.picking up
The director had her assistant ( ) some hot dogs for the meeting.A.picked up B.picks up C.pick up
D.picking up

The director had her assistant ( ) some hot dogs for the meeting.A.picked up B.picks up C.pick upD.picking up
A

a

选C，have + sb （宾语）+ do sth （宾语补足语）”意为“让 / 叫 / 使某人做某事”。此结构中的 have 是使役动词，sb 作宾语，其后的 do sth 是省去 to 的动词不定式作宾语补足语。

C
have sb. do sth.：让某人做某事。
have sb. doing sth.：使某人一直做某事。
根据原文语境，是要表达第一种意思。