I am sorry I ________ your glasses off the desk when I was wipin

I am sorry I ________ your glasses off the desk when I was wiping it.
A、drew
B、hit
C、struck
D、knocked
【正确答案】：D
【题目解析】：knock off打翻。句意：对不起，我擦桌子的时候把你的眼镜打翻了。