问题
选择题
He had a stomachache ________ he ate something bad this morning.
A．or
B．if
C．so
D．because
答案
答案：D
题目分析：句意：因为今天早上他吃了一些坏了的东西，所以他胃疼了。A. or 或者，B. if如果；C. so所以；D. because因为。根据 ate something bad是 had a stomachache的原因，故用连词because。故选D。