The Indians had invented the hammock long before the Europeans came to South America.

A．She doesn’t want to pay the late fee.
B．She was given incorrect information.
C．She can’t afford to pay her tuition.
D．She didn’t pass her mathematics class last semester.

A．She plans to invite all the new students.
B．She’s a new student.
C．She thinks the man is right.
D．She invited the man to a party.