Our passion to understand the universe and our compassion for others jointly provide the chief hope for the human race.

Our passion to understand the universe and our compassion for others jointly provide the chief hope for the human race.

A.People's enthusiasm about the universe and their profound sympathy for others are considered the two major hopes of the human race.

B.The hope for the human race lies mainly in our enthusiasm about the universe and our profound sympathy for others.

C.The hope of the human race refers to either people s enthusiasm about the universe or peoples profound sympathy for others.

D.The hope for the human race lies mainly in either our enthusiasm about the universe or our profound sympathy for others.

正确答案是B