The sentence below has four parts (A, B, C, and D). One part has a grammatical error. Identify the part.

Snow rafting is potentially (A)/ so dangerous that (B)/ any American resort will not (C)/ touch it with a bargepole. (D)

A

touch it with a bargepole.

B

Snow rafting is potentially

C

so dangerous that

D

any American resort will not