A. Easy
B. Involving a lot of effort; difficult
C. Simple
D. Light
Answer: Involving a lot of effort; difficult
A. Easy
B. Involving a lot of effort; difficult
C. Simple
D. Light
Answer: Involving a lot of effort; difficult
Additional Information: 'Arduous' means involving or requiring strenuous effort; difficult and tiring.
Subjects: Context Clues, Reading Comprehension