Which sentence is an example of an objective summary?

a. elizabethans had some interesting ideas about disease.
b. malaria was common in marshy areas where mosquitoes bred.
c. studying humors seems like a ridiculous medical practice.
d. obviously, english citizens should have left the swampy regions.

B. Malaria was common in marshy areas where mosquitoes bred.

Explanation: Objectivity means a lack of bias, judgment, or prejudice, it also means the fact of being based on facts and not influenced by personal opinions or emotions. From the given sentences, the one that is an example of an objective summary is "Malaria was common in marshy areas where mosquitoes bred" because all the other options, demonstrate influence of emotions or opinions (like "Interesting ideas," " seems like a ridiculous medical practice" and "Obviously, English citizens should have left").

The sentence which is an example of an objective summary is "Malaria was common in marshy areas where mosquitoes bred." Option B is correct.

This is the only option which does not use a vocabulary that may imply a personal opinion. For instance, in the fist sentence, the word "interesting" makes the statement subjective, since it is the perception of the speaker. In the thrid one, the expresion "seems like a ridiculous" is a complete opinion, and finally, the las options opens with the word "obviosly", which also anticipates that a personal point of view will be presented.

uh, the answer is d i guess.