The Plaque Reduction Neutralization Test (PRNT) Is Preferred Over Other

The plaque reduction neutralization test (PRNT) is preferred over other methods mainly because

A) working with the live pathogens required for PRNT is risky.
B) PRNT does not require working directly with a patient blood sample.
C) PRNT can detect low- levels of antibody.
D) PRNT can differentiate between closely related viruses which have similar antigens.
E) it is faster than most other methods.