Your Sister Works at the Post Office

Your sister works at the post office.She is pregnant and stands at the service desk for her entire shift.You are worried that this will affect her fetus's health.What do you tell her? That she should _____.

A) take a break and sit for a couple of minutes every half an hour.Continuous standing has been linked to miscarriages and premature births
B) try to relax,being pregnant is great
C) continue working,staying active is great for pregnant women and their fetuses
D) get a new job; working with the public exposes her to teratogens on a daily basis