问题
选择题
Evidence has been piled up drinking water before breakfast is good for our health.
A．what
B．which
C．if
D．that
答案
答案：D
考查同位语从句。That引导drinking water before breakfast is good for our health解释Evidence的内容。句意：早饭前喝水对我们身体好的证据有很多。
