Jackson, a 53 year old male patient, visited the clinic for chronic asthma. He said that he has suffered from the asthma for 7 years. During the consultation, you noticed his feeble voice, a weak and low sound of coughing, short and rapid breathing, and sweating on exertion. What would you expect a tongue and pulse to be?
选项：

A:Pale tongue, white coating, empty pulse
B:Pale tongue, white coating with teethmarks, thready weak pulse
C:Pale tongue, white coating, deep thready pulse
D:Pale swollen tongue, white coating, deep thready pulse