The author feels that the scientists' study of Surtsey - A made it famous. made them wealthy. C was unnatural. was a waste of their time.

The author feels that the scientists' study of Surtsey made it famous.

Option: A

Explanation:

Scientist's work is to innovate or reinterpret some thing new or identify new string into the existent one. Here Surtsey is a volcanic island formed above the water surface near to Iceland. It is a newly formed island that's why a center of attraction and study.

Author feels that study of newly emerged volcano will make the writing famous. Surtsley is formed in 1963, it is a dome shaped shield volcano. As it is a new one now it is free from human interference.