Grover let Percy's mom "die" and was supposed to give Percy a safe passage to Camp Half Blood.
I believe that the answer is C. This is most likely the best option because it also adds a subject. B does add a better description but putting "While I" in answer C shows who is listening to the sentence
Absorb- take in or soak up (energy, or a liquid or other substance) by chemical or physical action, typically gradually.
anxiety- a feeling of worry, nervousness, or unease.
bafflement- confuse, bewilder, or perplex.
