Write the next sentence in the following story.

How to enjoy the health benefits of chocolate 
Opt for bitter, dark chocolate. 
As a rule of thumb: the darker the chocolate, the healthier it is. This is because dark chocolate contains a higher percentage of cocoa, which is where the health benefits of chocolate come from.

OPTIONS:
A). Further, a higher percentage of cocoa means less of the unhealthy ingredients that are often included in low-cocoa chocolate bars. Look for a dark chocolate that is at least 70% cocoa..
B). Choose bittersweet chocolate because this is the tastiest-it tastes good unsweetened and only stores for about 2-3 days. If this is true for soft chocolate and it is made of a flavor that is just bitter, choose creamy chocolate..
C). Bitter, dark chocolate is even more important to enjoy while eating healthier. This is because the three main kinds are: dark chocolate (" black chocolate "), instant, and regular..
D). Diabetics and people with liver disorders may also benefit from bitter chocolate. Limit your indulgence with soul-calming pills... The answer should be
A).