单选题The couple are spending&n

问题补充：

单选题Thecouplearespendingtheirholidayon__isdescribedasoneofthemostbeautifulislands.A.thatB.whatC.whichD.where

答案：

B解析“__is described as one of the most beautiful islands .”宾语从句，从句中缺少主语