Very likely A. Take a pill because people who are lactose intolerant take lactase before they ingest any sort of food with lactose. You would not have to avoid it that way and you would be able to still intake calcium through lactose/dairy products.
Answer:
D
Explanation:
A is correct because a risk could be good or bad. For example, entering the lottery is a risk because you could lose a lot of money but a small group of people make a lot of money from winning the lottery.
B is correct because when someone enters the lottery, they do not know their outcome until later.
C is correct because speeding is risky because it is easier to loose control of the car when driving fast.