一Whose picture is better, Jack's or Tom's?

—I like Jack's and I think Jack draws ______ Tom. [ ]

A. better than

B. worse than

C. as good as

D. as well as

下列各项中可引起混合性呼吸困难的是

A．气管异物

B．白喉

C．大面积肺梗死

D．支气管哮喘

E．慢性阻塞性肺气肿