Sentence Correction (SC) | Re: Despite the common belief that different races of mankind

‘Suggest’ per se is not part of the command subjunctive verb brigade. Unless the suggestion is from a peremptory source, the suggestion is no than a recommendatory or indicative and should not bear an imperative form of the verb such as ‘be’. So we can dispense with A, B and E. Between C and D, C, by using the simple present ‘suggest, rather than the present progressive ‘are suggesting’, is one - up over D