What is the purpose of Ms. Walter’s letter?
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
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正确答案
试题解析
回信的第1段开头提到燃气公司发布了Walter滞纳费用的通告,而她确信自己支付了费用,但并未收到交款凭条,故选D。assertion说法;主张。