—Hi , Tracy , you look tired.—I'm tried. I _____

试题详情及答案解析

—Hi , Tracy , you look tired.
—I'm tried. I ______ the living room all day.

A．painted	B．had painted
C．have been painting	D．have painted

答案：C

试题分析：考查时态。现在完成进行时是从过去某一动作开始一直持续到现在，可能还要持续下去，句意：我一整天在粉刷起居室。根据词义不知道有没有完成也可能持续下去，故选C。
考点 : 考查时态