单项选择题
In fact, no matter what lengths others go to in their attempts to destroy your arguments or（）your confidence, you are certain to remain unmoved and unimpressed.
A. erode B. undermine C. deprive D. underestimate
A. being there B. there was C. should there be D. there having been
A．too much of a coward B．too much the coward C．a coward enough D．enough of a coward