Which Statement by the Patient with Myasthenia Gravis Indicates the Need

Which statement by the patient with myasthenia gravis indicates the need for further teaching?

A) "My weakness will get worse when I exercise too much."
B) "It is important that I take my medications 30 minutes before or after eating."
C) "My eyes will get tired if I read too much."
D) "I need to wait for 30 minutes after taking medication to eat or drink."