What did Harry and Ron learn from the Howler that Mrs. Weasley sent?

What did Harry and Ron learn from the Howler that Mrs. Weasley sent?
O A. Dumbledore had come close to expelling them.
O B. The Dursleys had Muggle police searching for Harry.
O C. Mr. Weasley was facing an inquiry at work.
O D. Percy would be keeping a close eye on them.