Question

The author would probably view the developments discussed in the passage as

• A. unsurprising
• B. puzzling
• C. alarming
• D. encouraging
• E. unexpected

Hint:

Pay attention to the tone of the passage. If the author highlights a serious threat or negative development, the correct answer is likely to reflect concern or alarm.

Answer 1

The Correct Option is C

Step 1: Understanding the passage.
The passage discusses the declining levels of dissolved oxygen in the world's oceans, which are causing fish populations to suffer. The author describes the impact of hypoxic conditions, where fish produce fewer eggs, and how these conditions affect the development of fish embryos, especially in determining gender. The author stresses the importance of reproductive success to marine life and genetic diversity, indicating the threat is serious.

Step 2: Analysis of options.
- (A) unsurprising: Incorrect. The passage presents a troubling development, which would likely be viewed as alarming, not unsurprising.
- (B) puzzling: Incorrect. The developments are not described as confusing or unexpected but as a serious and concerning issue.
- (C) alarming: Correct. The passage highlights a significant threat to marine life and genetic diversity, making this an alarming situation.
- (D) encouraging: Incorrect. The passage describes negative consequences, not something encouraging.
- (E) unexpected: Incorrect. While the effects are concerning, the passage does not indicate that they are surprising or unexpected.

Step 3: Conclusion.
The correct answer is (C) alarming.

Final Answer: \[ \boxed{(C) \, \text{alarming.}} \]