He is only one of the students who（ ）invited to the meeting.

答案是A 记住以下句子,对你的高考有用：1 He is only one of the students that / who are from London。(注意：only的前面没有the)这里are的主语是the students,不是only one。2 He is the only one of the students that is from London。(注意：only的前面有the)这里第二个is的主语是the only one,不是the students。