In the Following List,which Drug Is Correctly Used to Treat $\beta$

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