GMAT Sentence Correction (SC) | Re: OG 2016 - Not trusting themselves to choose wisely among the wide

Not trusting themselves to choose wisely among the wide array of investment opportunities on the market,stockbrokers are helping many people who turn to them to buy stocks that could be easily bought directly.

(A) stockbrokers are helping many people who turn to them to buy stocks that could be easily

(B) stockbrokers are helping many people who are turning to them for help in buying stocks that they could easily have

(C) many people are turning to stockbrokers for help from them to buy