–How was your interview with the famous basketball player—Yao Ming?

--I was quite nervous at first, but his warm smile put me____.

A．in action

B．at ease

C．on work

D．on watch

如果幼儿有主动学习的体验，能独立思考。这表明该幼儿是（ ）。

A．学习的奴仆

B．.学习的伙伴

C．学习的主人

D．学习的对手