Default type parameters are allowed only:
A) If the class template also has nontype parameters.
B) If the class template does not have any nontype parameters.
C) If the class is used as a container class.
D) As the rightmost (trailing) parameters in a template's type-parameter list.

Question

Quizplus · Accepted Answer

Default type parameters must be the rightmost (trailing) parameters in a template's type-parameter list. This means that the template can have other non-defaulted type parameters before them.

Default Type Parameters Are Allowed Only