Select a suitable title for the passage.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. Types of dolphin.
Correct Answer: Types of dolphin
Line to refer: “There are 36 dolphin species... Most dolphins are marine... There are a few species, however, like the South Asian river dolphin and the Amazon river dolphin...”
This passage gives a clear overview of different kinds of dolphins — marine and river species — along with information about the largest and smallest dolphins. So, the best title reflecting the main content is "Types of dolphin."
Hence, the chosen option will be correct.