尺肤诊病中，尺肤凉而脉细小者多属（）。
A.气虚证
B.阴虚证
C.血虚证
D.温热证
E.血燥证
参考答案：A
His parents are convinced ____ the fact the their son always focuses his mind ___ his study.
A．of; on
B．of; at
C．by; to
D．on; at
藏族的英雄史诗《江格尔》是中国三大英雄史诗之一。
