问题
选择题
John decided to buy a computer, _________ it was a little expensive for him.
A．though
B．however
C．because
D．when
答案
答案：A
题目分析：though虽然，尽管； however 然而，可是；because因为；when既然，当……时。句意：约翰决定买一台电脑，尽管对于他来说有点贵。故选A。
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