Write the next sentence in the following story.

How to get toned and fit (for girls )
Stretch.
Stretching will help you loosen muscles and prevent injuries. Make sure to stretch major muscles such as arms, legs, neck, sides, and abs.

OPTIONS:
a). Don't leave the elbows stiff and tense your neck muscles up! Do a shoulder stretch. This stretches your shoulder area, paying attention to your muscle growth..
b). Do a 5-10 minute warm-up. Do jumping-jacks, take a short jog, a brisk walk, climb stairs, etc..
c). This will help prevent tendromes from forming. You want to stretch your muscles so they can move properly and will help to prevent tendons from growing..
d). For body parts like buttocks and tummy, sit on a chair or a coffee table. Hold your shoulders back and arch your back so your back touches the chair/table... The answer should be
b).