After Romeo kills Tybalt and flees to Friar Laurence, why does he sob and threaten to harm himself?

A.
He is sure that Friar Laurence will have him arrested.

B.
He fears that Juliet will be angry and cease to love him.

C.
He is sorry that he married Juliet in such haste.
D.
He worries that the Capulets will want vengeance.