单选题An employer has to pay for your glasses if they are prescribed specifically ______ you view the screen, but not if you use these glasses in other situations too.A for the distance at whichB at the distance for whichC for which at the distance D at whi
题目
单选题
An employer has to pay for your glasses if they are prescribed specifically ______ you view the screen, but not if you use these glasses in other situations too.
A
for the distance at which
B
at the distance for which
C
for which at the distance
D
at which the distance for