She made a few mistakes playing the violin, but you should make ____ for her since she’s only been playing for a year.

A．allowances

B．promises

C．room

D．way

下列关于β肾上腺受体兴奋症的叙述正确的是（）。

A.与自主神经功能紊乱无关

B.是一种器质性心血管疾病

C.普萘洛尔试验后心电图可恢复正常

D.当在精神紧张时心悸反而缓解

E.因反复出现心悸伴晕厥而预后不佳