Which words in the sentence form the participial phrase?

Hoping for the best, Joshua slid a Valentine's Day card into Maria's locker.

Aa Valentine's Day card
BHoping for the best
Cinto Maria's locker
DJoshua slid

Verified Answer :

B., hoping for the best.
participal phrases typically end in -ING or -ED, depending on the time sense. (though not to be confused with gerund phrases, which share the same rule. The difference is the function of a sentence)