Shortening a longer word by cutting a part off the original and

Shortening a longer word by cutting a part off the original and using what remains is called（ ）
A、blending
B、clipping
C、acronymy
D、back-formation
【正确答案】：B
【题目解析】：将原词的一部分截去，只用剩下来的一部分构成新词，这种方法叫截短法。常见的截短有以下四种：首部截短 (Front clipping)、词尾截短 (Back clipping)、首尾部截短 (Front and back clipping)和短语截短 (Phrase clipping)。