问题补充：
I many new friends since I came here.
A. make
B. was making
C. will make
D. have made
答案：
A. make
B. was making
C. will make
(答案→)D. have made
解析：句意：自从我到这儿以来，我交了许多新朋友。结合语境可知本句描述的是现在已经完成的动作，故用现在完成时态，选D。
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