After Teaching a Client About Lithium Carbonate (Lithane), Which Client

After teaching a client about lithium carbonate (Lithane) , which client statement would indicate to the nurse that teaching has been successful?

A) "I should expect to feel better in a couple of days."
B) "I'll call my doctor immediately if I experience any diarrhea or ringing in my ears."
C) "If I forget a dose, I can double the dose the next time I take this drug."
D) "I need to restrict my intake of any food containing salt."