Canon John Tallis is a major character in the young adult novels of Madeleine L'Engle, appearing in four books. The character is based on L'Engle's real-life spiritual advisor, Canon Edward Nason West of the Cathedral of St. John the Divine in New York City.

Can we draw the following conclusion?
The character is based on the writers college advisor

Possible answers: (a). Yes (b). It's impossible to say (c). No
(c).