SC- small pox

[ngotrung]

The success of the program to eradicate smallpox has stimulated experts to pursue (what they had not previously considered possible- better control, if not eradication, of the other infection such as) measles and yaws

A,
B, what they had not previously consider a possibility- better control, if not eradication, of such infection like
C, something they had not previously considered possible- better control, if not eradication, of such infection as
D, something not considered a previous possibility- better control and perhaps eradication of infections such as
E, the possibility of what they had not previously considered- better control and possibly eradication of infections like

[Son]

Chọn C.

Confused a bit giữa A và C.

+Nhưng quyết định C vì cái tip trong Gmat Land khoái: such X as Y hơn là such as đi liền. :D
+ Trong câu A: dùng other infection such as A and B => không hợp lý.
+ Trong câu C: "something" có thể thay thế và mang nghĩa như "that" hoặc "what"

[N/a]

Nếu ở A,C và B infection là singular (infectionS) thì chẳng câu nào đúng. Giả sử có S ->

A & C -> C