_______ the other extreme, an agent might get a commission of 15

_______ the other extreme, an agent might get a commission of 15% for small orders for handicrafts.
A、On
B、At
C、Upon
D、To
【正确答案】：B
【题目解析】：句意：在另一个极端，代理商对小笔手工艺品订货可得15%的佣金。