To nip it in the bud means to

To nip it in the bud means to
A: Encourage something
B: Prevent it at the start
C: Expect greatness from it
D: None of these

The idiom refers to cutting a young bud to stop growth. In use it means stop trouble at an early stage before it spreads. Leaders often say nip rumors in the bud. Encourage would be the opposite. Expect greatness does not match. Choose prevent early for precision.