Which of the following is NOT one of the three channels through

Which of the following is NOT one of the three channels through which modern English vocabulary develops? （ ）
A、Creation.
B、Semantic changes.
C、Clipping.
D、Borrowing.
【正确答案】：C
【题目解析】：现代英语词汇发展的三条途径是创造、语义变化、借用。