How does the book Tuesdays with Morrie get its name?

A、 Morrie’s wife chooses the name of the book, and Morrie had asked her to marry him on a Tuesday.
B、 Morrie is diagnosed with ALS on a Tuesday, so it is an important day in his life.
C、 Morrie and Mitch always meet on Tuesdays.
D、 The publishing house uses Morrie’s birthday as the day of the week in the title.