PLZ HELP ASAP!!

Read this sentence.

The huge crowd clapped enthusiastically when the musicians bowed.

Which answer adds a participial phrase to the sentence?

AThe huge crowd listened intently and clapped enthusiastically when the musicians bowed.
BThe huge crowd, having listened intently to the concert, clapped enthusiastically when the musicians bowed.
CThe huge crowd clapped enthusiastically when the musicians bowed dramatically.
DThe huge crowd clapped enthusiastically when the musicians bowed, and they hoped for an encore.