Please find irrelevant sentence in the paragraph. (I)While dieting or losing weight, there are often times when we are tempted to eat things which we are not supposed to eat. (II) Therefore it is not very easy for someone to lose body fat and it can be very frustrating as well. (III) However, many studies nowadays support the idea that while dieting one should allow himself to eat once a week whatever he desires. (IV) Following a high-protein diet over a long period of time can cause considerable health problems. (V) It has been proved that this not only makes the dieter happy but also helps the person to continue his diet. A. (I) B. (II) C. (III) D. (IV) E. (V)