. ---Will the Smiths go abroad this summer?              ---No, they finally decided  _______  .

A．to

B．not going

C．not to

D．not to be going

异常支气管呼吸音可见于肺内空洞，最为常见的疾病是

A．先天性肺囊肿

B．空洞型肺结核

C．肺大疱

D．支气管扩张

E．肺棘球蚴病