The branch of linguistics which studies the forms of words is ______ MORPHOLOGY.

A．English-speaking countries are UK, USA, Canada, Barbados, etc.
B．English-speaking countries are UK, Canada, Australia, New Zealand, etc.
C．English-speaking countries are USA, Canada, Australia, the Republic of Ireland, etc.
D．English-speaking countries USA, Canada, Australia, Egypt, etc.

A．Charles Dickens
B．Edgar Allen Poe
C．John Richardson (Canadian novelist)
D．Henry Savery