It has been awhile since I have read this book but I believe that the answer is B.
Perseverance is the value or character trait that allows us to keep on keeping on. It is an inner strength that helps us ignore or discount obstacles and keep striving towards our goals or along a chosen path. It is what we need to overcome setbacks, adversity and criticism.
B.
The age of the runner is an illogical comparison, especially when the age is not very different.
Answer:
In all if the above, cumulus is found in the lower layer of clouds.