This person is a hardcore night owl if they stay up all night to do the work
There's nothing really that means exactly "laughing at oneself," as far as I know, but some related words are self-ridicule and self-belittlement, though these have a more negative connotation. Hope this helps.
Answer:
Letter D.
Explanation:
because you can used Semicolon for the phrase For, Therefore, Never The less, For Example, However, and etc... to introduce new sentence
