Q. (6)

Question

Q. (6)

Accepted Answer

1) Identify the clause: The subject is "A focus on both, the huge need for additional investment and potential difficulties in financing it," which is singular in meaning (a single focus).  
2) Number and tense agreement: A singular subject in present simple requires a third-person singular verb form. "Dominates" is the third-person singular present form of the verb "dominate," so it matches grammatically.  
3) Semantic fit: The phrase "dominates the debate" idiomatically means to control or be the most prominent feature of the discussion, which matches the surrounding context that describes pessimism about financing infrastructure.  
4) Syntactic compatibility: "Dominates" is a transitive verb that naturally takes "the debate" as its object; the resulting short clause "dominates the debate" is concise and idiomatic.  
5) Coherence with the next sentence: The following sentence begins "Pessimism rules," which reinforces the notion that one theme (concern about financing) is prevailing in the discussion—exactly what "dominates the debate" conveys.  
FINAL_ANSWER: C

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