Write the next sentence in the following story.

How to be a catcher in baseball
Squat and position your arms.
Your normal position is squatting behind home. When doing this, your left foot should be a little bit in front of your right foot (an inch or two).

Choices: a). When standing, shift your weight to your right foot and place your left arm behind your right, plus your right hand. Keep the ball at about level of your left knee, with your left foot fully in line with your right foot.; b). Your left arm (catching arm) should be bent a little at the elbow. Avoid holding your elbow on the inside of your left knee.; c). Use your arms to propel yourself up so that you're sitting just behind home field/pitcher's mound. This position helps you stay in place while you're getting ready for the game, so you won't need to put too much weight on your feet as you squat.; d). As with other positions in baseball, this position is called the baseline. A baseline position is defined by an area that takes up roughly two feet in front of the catcher on every play.;. The answer should be
b).