If Solarbeam or another charging move is used with Parental Bond, what happens?

Question

Would...

A) The Pokemon charge for a turn, then attack twice the second turn.
B) The Pokemon charge for a turn, then attack once the second turn.

Answer 1

Moves with a charging turn only hit once, even if the Pokémon becomes fully charged in one turn (such as with a Power Herb).

http://bulbapedia.bulbagarden.net/wiki/Parental_Bond_(Ability)