I would say B!
Let me know if it’s right!
The correct sentence is A.
All of the other sentences are grammatically incorrect.
Hope I helped!
The given clause "when the water boils" is an example of a subordinate clause. It is a subordinate clause because it begins with the subordinate conjunction "when". The next clause which is "[You] add the eggs" is the independent clause.
B) she cannot give up the certainty of home for the hope her fiancé offers her
