Sentence Correction (SC) | Re: QOTD: Not trusting themselves to choose wisely among

Will go with E
A B can be easily eliminated because of modifier error.
Not trusting must modify people and not stockbrokers, because people are not trusting themselves.
C is wordy people are turning to stockbrokers "for help from them"
This can very well be written as turning to stockbrokers for help.
Between D and E there is no idiom error both help in buying/ help to buy are correct idioms.
D has the tense error. Present perfect have been is