【题目】There were so many kinds of bikes in the shop that he really didn’t know _____ he could choose.
A.whichB.whatC.whereD.that
在线课程【答案】A
【解析】
考查宾语从句。句意：商店里有很多种自行车，他真的不知道该选哪一种。此处为宾语从句，从句中的choose缺少宾语，根据“so many kinds of bikes”可知此处表示“在具体范围之内的某一种”，故A项正确。