A:by which
B:for which
C:that
D:what
如图所示,图甲为蹦床比赛中的运动员,图乙为在水平路面上转弯的汽车,图丙为高压带电作业及工作服,图丁为可变电容器.下列与四个图相关的说法中,正确的是( )
—I think it was not good.It was a(n) performance.