【求解释】The course normally attracts 20 students per year,____ up to half will be from overseas.A of whomB for whomC with whichD in which
问题描述：
【求解释】The course normally attracts 20 students per year,____ up to half will be from overseas.
A of whom
B for whom
C with which
D in which
答
选A 他们之中半数来自海外 A和D都表示“某某之中” 但因为是在说人 所以介词要用of
答
A他们当中
答
A 这门课程每年一般会吸引20个学生,其中有多达一般的人来自国外.
此处应表达“其中”之意 应为of 而且指的是学生 故应用whom