I too much reading.A. am tiringB. tired out because ofC. am tired out inD. tired myself o

问题补充：

I too much reading.

A. am tiring

B. tired out because of

C. am tired out in

D. tired myself out with

答案：

A. am tiring

B. tired out because of

(答案→)C. am tired out in

D. tired myself out with

解析：be tired out筋疲力尽，累垮了。