Soliloquy- an act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play.
Ingenious- of a person or action) innocent and unsuspecting
It is either one of those not quite sure but I hope I helped a bit!
The answer is C for both because they follow the correct syntax and conventions of english to allow the reader to effectively read the sentence without confusion.
If I remember correctly the answer is, C) he realizes that he may be able to save Elizabeth from a death sentence.
