According to the article, the correct answer is:
C. He expanded his research, intending to further explain and publicize the causes of big trees' decline.
Question 34
According to the article, how has observing the decline of big trees most affected the author?
A. He became active in reducing carbon emissions in order to protect big trees.
B. He expanded his previous research of American big trees to become a global study.
C. He expanded his research, intending to further explain and publicize the causes of big trees' decline.
D. He was relieved and encouraged by people's enthusiasm to protect big trees and the environment.
1 answer