Sentence Correction

Whats the difference between the 2 answers ?

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In option B (i.e. the one which is marked) we get an impression that the it is the passage that the bank's loan will help(i.e. the phrase after "that" modifies passage !) , however the intended meaning here is : the fact that the bank's loan will help foriegn producers compete with ameican business is a matter of concern. This concern has been cited as an obstacle to congressional passage. The part of sentence after "that" should help us solve this problem. IMO the right approach to solve this problem should be:

a) being : wrong
b) pasage that the bank's loan ... : wrong
c) Correct
d) Same as b
e) "it"- referring to ? Wrong

The 151 member governments of the World Bank are expected to increase the bank's funding by $175 billion, though some United States legislators cite an obstacle to congressional passage being the concern that the bank's loans will help foreign producers compete with American businesses.

A. an obstacle to congressional passage being the concern
B. a concern as an obstacle to congressional passage
C. as an obstacle to congressional passage the concern
D. the concern, an obstacle to congressional passage
E. as an obstacle for Congress to pass it the concern

A: congressional passage being the concern that the bank's loans will help
Here, the conveyed meaning is that the bank's loans will help THE CONCERN THAT CONGRESSIONAL PASSAGE WAS BEING.
Not the intended meaning.
The intended meaning is that the bank's loans will help FOREIGN PRODUCERS.
Eliminate A.

B and D: congressional passage that the bank's loans will help
Here, the conveyed meaning is that the bank's loans will help CONGRESSIONAL PASSAGE.
Not the intended meaning.
The intended meaning is that the bank's loans will help FOREIGN PRODUCERS.
Eliminate B and D.

E: an obstacle for Congress to pass it
Here, it lacks a clear referent.
Eliminate E.

The correct answer is C.