The young man was not found to be illiterate until______.A．he dined out with his adult fri

The young man was not found to be illiterate until______.

A．he dined out with his adult friends at Howard Johnson's

B．he could no longer come up with various ways of deception

C．he had dinner with his friends at a certain local restaurant for the second or third time

D．he was not careful enough to be aware of his entire helplessness in face of written words