Suppose That a White Dwarf Is Gaining Mass Through Accretion

Multiple Choice

Suppose that a white dwarf is gaining mass through accretion in a binary system.What happens if the mass someday reaches the 1.4 solar mass limit?

A) The white dwarf will collapse in size,becoming a neutron star.
B) The white dwarf will undergo a nova explosion.
C) The white dwarf will explode completely as a white dwarf supernova.
D) The white dwarf will collapse to become a black hole.