It was the training_______he had as a young man______ made him such a good engineer.A.what;that B.which;that at;which at;what麻烦解释一下哦!!
Bthe training_______he had as a young man中had缺宾语,因此为定语从句,在BCD中选(what不能引导定语从句,而which和that可以)整体来看,该句为强调句式it is…that因此后边应选that,故选B