________ is no doubt _________ Jennifer will come to see me this weekend as usual. [ ]

A. It, that      

B. It, whether    

C. There, that      

D. There, whether  

患者，女，42岁。心悸不宁反复发作，心烦少寐，头晕目眩，手足心热，耳鸣腰酸，舌红少苔，脉细数。其证候是

A．心血瘀阻
B．心虚胆怯
C．阴虚火旺
D．心阳不振
E．心血小足