C). "Can you believe LuLu the pug unlatched the gate?"
This statement is read with a tone of surprise. This is because of the first few words of the sentence: "Can you believe..." This implies that the speaker is shocked/surprised by what they are saying, giving this statement a tone of surprise.
A is the answer because she's planning ahead and going to learn about the career that she is going to pursue.
Not sure which word is bolded, but I can still help you out. There are two pronouns in this sentence: we and us.
If we is bolded, the answer is C. nominative case. These pronouns are often the subject of a sentence.
If us is bolded, the answer is A. objective case. The object of a sentence receives the verbs attention. In this sentence, you ask "What is surrounded?" to understand that us is objective case.
Just so you know, possessive case is when the pronoun owns something. For we, the possessive pronoun is our. We went home to our house.