问题详情

Directions: Select the appropriate phrases from the answer choices below and match them to the type of animal to which they relate. ONE of the answer choices will NOT be used. Write your answer choices in the spaces where they belong. You can either write the letter of your answer choice or you can copy the sentence. Humans Cetaceans BOTH Humans and Cetaceans Answer Choices [A]The ability to converse unaided with other species [B]A brain with a cortex [C]A set of vocal cords [D]The ability to use tools [E]The ability to locate objects by using echo [F]An enlarged portion of the brain for processing sound [G]An enlarged portion of the brain for processing vision [H]The ability to learn by observation

Which of the following can be inferred from paragraph 1 about what Olmsted and Riis had in common？

A．Both constructed theories based on empirical research on cities.

B．Both were among a large number of newcomers to North American cities.

C．Both wanted to improve the conditions of life in cities.

D．Both hoped to reduce the rapid growth of large cities.

请帮忙给出正确答案和分析，谢谢！