Reese needs a better transition between the second paragraph (sentences 4-8) and the third paragraph (sentences 9-14). Which sentence should replace sentence 9 to create a more effective transition?
A. Until recently, scientists could not determine how the brain is able to rid itself of waste because the lymphatic system does not include the brain.
B. scientists researched the brain for years before finally making a breakthrough
C. no one knew how the brain was able to perform some functions
D. the lymphatic system does not include the brain, so everyone always wondered about it

Reese needs a better transition between the second paragraph sentences 48 and the third paragraph sentences 914 Which sentence should replace sentence 9 to crea class=

Respuesta :

Among the given options, the one that has the most effective transition to replace sentence 9 in the text is the following:

A. Until recently, scientists could not determine how the brain is able to rid itself of waste because the lymphatic system does not include the brain.

  • The general topic of Reese's essay is the brain. However, he spends the whole second paragraph talking about the lymphatic system.
  • In the third paragraph, he goes back to talking about the brain, but no transition is used to connect the two ideas, that is, the lymphatic system and the brain.
  • Therefore, we need a transition that shows how both ideas are related.
  • We can eliminate options B and C, since they do not do that.
  • We are left with A and D. They both show that Reese wants to explain that the lymphatic system does not include the brain, which left scientists wondering.
  • However, option D is too informal for this essay.
  • In conclusion, the best option is letter A.

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