It's B - The first one -A- falls into the trap of being a misplaced modifier Descriptions should always come before or after the noun they describe. This is to avoid confusion as to whether you mean 'the police' or 'Elizabeth' are 'running late for the meeting' Also in more detail: Misplaced Modifier
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.