In the following list,which drug is correctly used to treat the disease listed?

A) $\beta$ -Adrenergic receptor agonists with depression
B)Fluoxetine (Prozac)with low blood pressure
C)Trastuzumab (Herceptin)with metastatic HYPERLINK "http://en.wikipedia.org/wiki/Colorectal_cancer"colorectal cancer
D)Sildenafil (Viagra)with pulmonary arterial hypertension
E)Cetuximab (Erbitux)and bevacizumab (Avastin)with metastatic breast cancer