Confusing

IMO E

Error in A: Dangling Modifier

Due to the lengthy amount of time necessary not only to complete but also to win a tournament match in professional men's tennis, a sport known for lengthy volleys and service games, such athletes must display great endurance and strength.

not only to complete but also to win

of tennis players not only completing but also winning

for not only the completing but also winning of

for one not only to complete but also to win

for tennis players not only to complete but also to win

You need "tennis player", "such athletes" in the non underline part of the sentence demands a particular noun for reference. A, C and D dont have this noun reference.

fruits such as apples ( If you omit fruits, such as "apples" don't have any significance )
contracts such as land-agreement, which created a ................

I hope you understnad the significance of "tennis players" here

So lets compare B and E .

In B - of "tennis players" - wrong
not only completing but also winning - wrong

E should be correct. IMO: E .

What is the OA ?