Sentence Correction

Studies on thoroughbred racing displayed that if show-horses rest adequately between competitions and raced on synthetic surfaces, they will be less likely to sustain an injury or illness than do those exhausted from rigorous training schedules.

A raced on synthetic surfaces, they will be less likely to sustain an injury or illness than do
B raced on synthetic surfaces, they are less likely to sustain an injury or illness than
C race on synthetic surfaces, they sustained fewer injuries or illnesses than do
D race on synthetic surfaces, they have been less likely to sustain an injury or illness than do
E race on synthetic surfaces, they are less likely to sustain an injury or illness than

IMO E

Hi all!

IMO E

There are two main issues here: idiom and conditional.

1) correct idiom is "between X and Y", where X and Y must be parallel.
Therefore, "between competitions and race" is correct.
We should eliminate answer choices A and B.

2) It should be correct type 0 conditional
We should eliminate answer choices C and D.

if + present simple, present simple.
Source: Grammar 4, Enterprise student's book

Hope it helps!
Best,
Maciek