In favour, if i understand the question correctly
There is a slight error in the title of this question :)
Instead of ‘if my dad would let me’, it’s ‘had my dad let me (remember this useful phrase ending). This is because you can’t have a double ‘would’ in the same phrase.
My guess is A. Not a tone of info to go with, but I am a sarcastic god.
Answer:
the claim supports the argument, or backs it up.
