In place of a conjunction, use a semi-colon to join two independent clauses.
You could write: I showered and brushed my teeth <em>and </em>now it's time to sleep. Or you can substitute a semi-colon for the word <em>and </em>as in choice B.
sry I just wanted the points I'm in middle school so I don't know this stuff either but can you give free brainlyest I'm soo close to my next rank I'd really appreciate it if you would