Parts of the following sentence have been given as options. One of them may contain an error.
Nobody from the gathering of odd people could guess the accident occurring blast.

Correct option is A

Option (a) contains the error.
Correct phrase: the blast that occurred in the accident or the accident-related blast
Explanation:
· The phrase “accident occurring blast” is grammatically incorrect. It needs a relative clause or proper adjective form.
· Correct usage: ...could guess the blast that occurred in the accident.
Grammar Rule:
Use of “occurring” should be tied to the noun it modifies using appropriate structure, usually a relative clause or compound adjective.