During a Health History of a Woman Who Is Pregnant

During a health history of a woman who is pregnant with her first child,the woman states,"I just cannot stop crunching on ice! What's wrong with me?" The nurse recognizes that:

A) she is experiencing a common food intolerance.
B) the woman is experiencing pica,craving for nonfood items,which is sometimes associated with anemia.
C) she may be experiencing gastrointestinal changes associated with pregnancy.
D) she probably craved ice before her pregnancy and this is nothing new.