The nurse is providing care for a pregnant 16-year-old client. The client says that she's concerned she may gain too much weight and wants to start dieting. The nurse should respond by saying.（）
A．"Now isn't a good time to begin dieting because you are eating for two. "
B．"Let's explore your feelings further. "
C．" Nutrition is important because depriving your baby of nutrients can cause developmental and growth problems. "
D．"The prenatal vitamins should ensure the baby gets all the necessary nutrients. "