Which sentence contains a correctly identified compound object in a prepositional phrase? catherine knew that this news would be devastating to marcus and me. everyone was aware that things wouldn't last with james. we were supposed to go to the bank and grocery store. lisa and marie were not included with the group that went on vacation.

you need to post the passage so we know what you’re talking about

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."