Political science teacher Mr. Jones asks his students to study how social media can influence public opinion by "following" famous activists, academics, and politicians on Twitter. While reading and exchanging each other’s Tweets, some classmates became close friends. The first is an example of the project’s ____ function, the second is an example of the project’s _____ function.
A. latent; manifest
B. manifest; manifest
C. manifest; latent
D. latent; latent