never thought/hadn't thought

[joham]

Tom, I ________ (never thought, hadn't thought) you would come. How are you?

The given answer is 'never thought'. But I think 'hadn't thought' is also fine. Am I right?

Thank you advance.

[billmcd]

Tom, I ________ (never thought, hadn't thought) you would come. How are you?

The given answer is 'never thought'. But I think 'hadn't thought' is also fine. Am I right? Yes, but in AmE "never thought" would be more common.

Thank you advance.

b.