Sentence Analysis
Sometime in the future, to try to recover uranium from seawater may be worthwhile. However, currently, this process is economically impossible.
The sentence has no issues and is correct as is.
Option Analysis
A.
lt may someday be worthwhile to try to recover uranium from seawater Correct.
B.
Someday, it may be worthwhile to try and recover uranium from seawaterIncorrect. “Try and recover” is incorrect. The point is to try to recover; “try” and “recover” are not two different actions.
C.
Trying to recover uranium out of seawater may someday be worthwhile Incorrect. For the following reasons:
1. “Recover x out of y” is incorrect. The correct idiom is “recover x from y”.
2. With this option, “this process” of the non-underlined part will refer to “trying to recover uranium”. Logically, “this process” should refer to “recover uranium”.
D.
To try for the recovery of uranium out of seawater may someday be worthwhile Incorrect. For the following reasons:
1. The first error of option C
2. “To try to recover uranium” is much better than “to try for the recovery of uranium”, just as “to try to reduce weight” is much better than “to try for the reduction in the weight”. The first construction emphasizes the action that is being tried.
E.
Recovering uranium from seawater may be worthwhile to try to do somedayIncorrect. “To do” is incorrect. If we replace ‘do’ with ‘recover’, the redundancy is evident. “Recovering …. to try someday” would work.
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