Look at the_____desk.A.Lucy and Lily B.Lucy's and Lily's C.twin's D.twin'

问题描述:

Look at the_____desk.A.Lucy and Lily B.Lucy's and Lily's C.twin's D.twin'
给个正确答案,并且回答出为什么,

Look at the (twin's) desk.
看这张双胞胎之一的桌子.
因为desk是单数形式,所以桌子要么是两人共有的,要么是其中一个人的.像前种情况,名词所有格要表达为Lucy and Lily's,或者twins’这两种形式.如果是B的话,桌子应该有两张.
只能选择C项.