Answer: C. “I will send for you soon.”
Explanation:
The answer C uses "will" which is mostly use in future tense sentences. A future tense example: I'll see you tomorrow.
You did not provide the excerpt but in the end Jekyll was not able to permanently resist. It was implied that he was actually Hyde deep inside and that Hyde is the one who will overtake and he won't be able to come out again. In the end he dies as Hyde and people find out what happened out of letters that he sent while he was sane.
Answer:
Hope this helps!
Explanation:
It's a plot device, they are commonly used to move the plot of a storyline forward.
I agree with the person above...