More people will eat out in restaurant（ ）they do today.A.than B.when C.while D.as 选什么?原因

More people will eat out in restaurant（than ）they do today.A.than =more...than有比较=对B.when 当=排除C.while 正在=排除D.as 正如/就像=对;但逻辑有问题!注:(1)表面上看来,A-than 与 D-as 都对;(2)在这种情...