He was not considered for the job when they choosing a new managerA. set downB. set outC

问题补充：

He was not considered for the job when they choosing a new manager．

A. set down

B. set out

C. set about

D. set up

答案：

A. set down

B. set out

(答案→)C. set about

D. set up

解析：短语辨析。 A．记下；放下 B．出发；开始 C．着手；开始做 D．建立；装配。句意：当他们开始选择一位新经理时，他没有被考虑负责这项工作。故选C。