The last line of a proof represents the given information. the argument. the conclusion. the assumptions.
The last line of a proof represents the conclusion. The correct option among all the options that are given in the question is the third option or the penultimate option. The other choices can be easily neglected. I hope that this is the answer that has actually come to your desired help.
The last line of a proof represents:
The conclusion.
While proving an argument or a statement we proceed in the following steps--
Hence, the correct answer is:
Conclusion.