The answer would be the second option
A soliloquy, similar to a monologue, is a speech, but it's a speech that one gives to oneself regardless of whose hearing, it is used as a tool to better help the audience to understand what the character is feeling internally. An example of one, and perhaps the most famous is this one:
To be, or not to be, — that is the question: —
Whether 'tis nobler in the mind to suffer
The slings and arrows of outrageous fortune
Or to take arms against a sea of troubles,
<span>And by opposing end them? (etc.)</span>
The answer is the first one and the third one
D) Couplet is the structural element of the poem that contains the following two lines:
If this be error and upon me proved,
<span>I never writ, nor no man ever loved. </span>
Answer:
On the Coast or Coast Line
Hope This Helps :)