The correct option is B.
In the first stanza, the author prayed like this: 'My sinking heart I pray thee raise, so shall give it thee. What the author was praying for in essence is that God should raise her sinking heart, so that she can praise Him. That is, she was asking God to lift her spirit so that she can give him praise.
Answer:
What is the passage? I think you forgot to include it!
The personal pronoun is (it)
the antecedent is (the band)