I started as office clerk, and turned department manager three years later.
A. the; the
B. an; a
C. an; /
D. the; /
网友回答
A. the; the
B. an; a
(答案→)C. an; /
D. the; /
解析：C 考查冠词。句意：我从一名办公室职员做起，3年后成了部门经理。 office clerk表示“一名办公室职员”，用不定冠词an；turn表示“变成”时后面作表语的名词前不用冠词。