Final answer:
The Halo is the item in The Binding of Isaac that provides multiple stat boosts and is unlocked by defeating Mom using The Bible.
Step-by-step explanation:
The item in The Binding of Isaac that grants the stat boosts of +1 Health Up, +0.3 Damage Up, +0.2 Tears Up, +0.25 Range Up, +0.3 Speed Up, and +0.5 Tear Height is The Halo. This item is indeed unlocked by killing Mom (Mom's Foot or Mom's Heart) using The Bible. The correct answer from the given options is A) The Halo.