the water ___cool when jumped into the pool for the morning exercise

问题描述:

the water ___cool when jumped into the pool for the morning exercise
A was felt Bis felt Cfelt Dfeels为什么

cool 在这里是“凉快的”意思
感觉水里很凉快,当跳进游泳池进行晨练的时候.
选felt 分词表被动完成 ,谁不可能主动去变凉,所以B,D 错误,A里有was,选他的话,这个句子就出现两个谓语动词了,不可能的.所以只有felt了