A blood test freaked me out . So when they took what felt like 2 gallons of my blood , I was getting a little bit nervous . So I pushed the doctor until he finally told me what he thought the problem was . He told me that because of the rapid weight loss and growth , that it was most likely an aggressive form of Leukemia .
According to the above context, choose the best option to answer the following question.
Question: Why did the narrator undergo a blood draw ?
Options:
A. They had rapidly lost weight .
B. They were undergoing an STD test .
C. They were donating blood .
D. They were getting a blood transfusion .


A