Which of the following is a clear sign of Mrs. Rymer appealing to Miss Shepperson's nice personality?（ ）

Which of the following is a clear sign of Mrs. Rymer appealing to Miss Shepperson's nice personality?（ ）

A.

"The end of our troubles is already in view."

B.

"Ever yours, sincerely and gratefully, Adelaide Rymer."

C.

"The cheque should be sent at the earliest possible moment."

D.

"How very, very grateful I am to you for your most kind tolerance."

正确答案是D