Sentence Correction (SC) | Re: An industry with a history of systematically funding efforts to

You're right, it's D. However, for now, I recommend that test takers use the following guidance forresearch :

1. Treatto research on/into/about (verb form) asincorrect .

2. Be open toresearch on/into/about ifresearch is used as anoun .

So, (a)the research on , (b)the research into , and (c)the research about should be okay. But (a) I wantto research on
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