They deal with blood, so like drawing blood
A is the answer because the community wants ALL of its citizens to become more physically active and by purchasing a bicycle for each household it can work so everyone in that household will get a chance to ride the bicycle.
The correct answer is weight management, so A.
They are both highly selective,most of the time what binds to them. Think of it as a lock and key, if the key fits the lock and it turns then it does what it needs.
