While waiting for her interview,

While waiting for her interview, Sarah sat on the bench______ nervously with clasp of her handbag.
A、flipping
B、twiddling
C、pricking
D、whipping
【正确答案】：B
【题目解析】：原句的意思是“在等待面试期间，Sarah坐在长椅上紧张地摆弄着手提包的扣钩。” 因此我们选择B. twiddling（心不在焉地捻弄）。