问题
单项选择题
A disadvantage of relying solely on the comparative sales approach to valuing real estate is that the approach :（）
A. does not reflect the fact that all properties are unique in some respect.
B. relies on selling prices, not asking prices.
C. requires estimating a market capitalization rate.
答案
参考答案：A
解析：
The main challenge to valuing and evaluating real estate is the unique nature of individual properties.