Examination has given way to its shortened form exam. This is th

Examination has given way to its shortened form exam. This is the example of（ ）in word formation.
A、clipping
B、acronymy
C、compounding
D、conversion
【正确答案】：A
【题目解析】：本题考查截短法的应用。clipping：截短法；acronymy：首字母拼音法；compounding：复合法；conversion：转类法。截短法指的是将原词的一部分截去，只用剩下来的一部分构成新词的构词法。例如：examination被截掉后半部分形成了exam。故A选项符合题意。