WhatisthepurposeofMs.Walter'sletter?
A.To ask about the automated billing system B.To update her contact information C.To report receiving duplicate bills D.To challenge the company's assertions正确答案D
WhatisthepurposeofMs.Walter'sletter?
A.To ask about the automated billing system B.To update her contact information C.To report receiving duplicate bills D.To challenge the company's assertions正确答案D
