问题
单项选择题
Since the early nineties, the trend in most businesses has been toward on-demand, always-available products and services that suit the customer's ______ rather than the company's.
A．benefit
B．availability
C．suitability
D．convenience
答案
参考答案：D
解析： suit sb. 's convenience是常见用法，表示“照顾某人的方便”。因此，答案为D。