For people with seasonal affective disorder, the main problem ...

[jrubin]

For people with seasonal affective disorder, the main problem isn't cold
  weather per se; it's the decrease in sunlight that triggers depression.
 
  a) by itself
  b) in most cases
  c) according to experts
  d) for extended periods

Question 2

My twelve-year-old nephew has always loved to watch cartoons, and in recent
  years he has become an expert on anime.
 
  a) cutting-edge video techniques
  b) comic books featuring superheroes
  c) a style of animation originating in Japan
  d) computerized special effects developed in France

[taylorsonier]

Answer to Question 1

a

Answer to Question 2

c

[jrubin]

Thanks for the timely response, appreciate it

[momolu]

Excellent