Analyze the following statement, and then choose one of the options that you think is best to use in academic writing:Earlier reports suggested the importance of sulfur for the success of this treatment.

A、Earlierreportssuggestedtheimportanceofsulfurfortreatmentsuccess.;
B、Therewereearlierreportssuggestingtheimportanceofsulfurfortreatmentsuccess.;
C、Earlierreportssuggestedthatsulfurisimportantforsuccessfultreatment.;
D、Theimportanceofsulfurfortreatmentsuccesswasfoundasasuggestioninanearlierreport.