Although the coordination of monetary policy can help facilitate the orderly financing of existing imbalances, it is unlikely that its effect on their size is significant in the absence of an appropriate fiscal adjustment.
(A) it is unlikely that its effect on their size is significant
(B) it is unlikely that the size of their effect would be significant
(C) affecting their sizes are not likely to be significant
(D) the significance of their effect on its size is unlikely
(E) its effect on their size is not likely to be significant
The OA is E.
it is talking about the effect of monetary policy on existing imbalances
B-falsely uses "their" to refer to monetary policy
C-should be "is"
D-changes meaning of the sentence. here it talks about the effect of existing imbalances on monetary policy.
A-"is" expresses certainty
E is best