Ali: Look at the chart showing our class's favourite nature activities.
Ayşe: Yes, I see. Camping is liked by half of the class.
Ali: Right. And twice as many students prefer hiking to fishing.
According to the conversation and the chart below, which of the following is TRUE?
[Chart: Camping=15, Hiking=12, Fishing=6, Birdwatching=7]
A)Camping and hiking are equally popular.
B)Fishing is the least popular activity.
C)Hiking is more popular than camping.
D)Birdwatching is twice as popular as fishing.