anje29
Perfectly possible !!
The problem with A is with "whom". "whom" is a object pronoun, so must act as an object. In A, "whom continued... " is incorrect, it must be "who continued". At the same time, B uses "who" incorrectly, it must be "whom" - because we need an object for "claimed", hence an object case pronoun.
Moreover, you don't need to decide whether "which" refer to "God" or "visions of God" because there are no splits such as "which have/ which has". At times, you may need to decide on the reference -
https://gmatclub.com/forum/for-many-rev ... 60640.html - but then, it will be very clear from the surrounding context what "which" needs to refer. Here, honestly, its not that much clear ... because,
What you are describing is a claim, "he claimed" is the keyword here, so He can claim anything - be it impossible alternatives that God, instead of visions of God, returned to him throughout his childhood. So, this is not the correct split to rely on.