During the nineteenth century Emily Eden and Fanny Parks journeyed throughout India, sketching and keeping journals forming the basis of news reports about the princely states where they had visited. (A) forming the basis of news reports about the princely states where they had (B) that were forming the basis of news reports about the princely states (C) to form the basis of news reports about the princely states which they have (D) which had formed the basis of news reports about the princely states where they had (E) that formed the basis of news reports about the princely states they
请教AE的差异；A had visited表示visit发生在form the basis之前不行吗？ | 
