Jack was once a common name, ,I think, that is seldom chosen nowadays.
A.it B.one C.who D.which
Jack was once a common name, ,I think, that is seldom chosen nowadays.
A.it B.one C.who D.which
B
考查代词及同位语的用法。此处one是a common name的同位语,与此同时one又带了一个非限制性定语从句,I think为插入语。