【正确答案】
A
【答案解析】to somebody's full capacity. use to the utmost; exert vigorously or to full capacity.经常达到极限;精力充沛或充分地发挥才能;faculty能力;技能[(+for/of)]He has a great faculty for mathematics; strength 力,力量,强项He hasn't got enough strength to remove that stone; content n.内容,容量,满足