A survey of 120 teenagers (ages 12-17) was conducted about their social media usage. It was found that 87 teenagers had a Facebook account, 63 teenagers had a Twitter account, and 48 teenagers had both a Facebook and Twitter account. One teenager from this survey is selected at random.

Find the probability that this teenager has a Facebook account.

Options:

A. 0.325

B. 0.439

C. 0.725

D. 0.870

E. None of these