A 30-year-old primigravida tells the nurse that her hemorrhoids have become itchy and painful. The nurse instructs the client about relief measures. From which of the following statements by the client would the nurse suspect that the client needs further instructions

A. "I should sit in a warm sitz bath daily. "
B. "I can use a topical ointment for relief. "
C. "I should apply an ice pack at night. "
D. "I should decrease my fluid intake. "

2011年“五一”黄金周期间，数码市场竞争异常激烈，数码产品价格都很低。近年来随着科技的发展和社会劳动生产率的提高，数码产品的价格也在不断下降，价格大战此起彼伏，企业面临生存竞争的考验。结合材料运用所学知识回答数码产品价格下降的主要原因。