Answer:
A: A new blood test makes it easier-and safer-to detect concussions.
Explanation:
The main idea of the passage is A new blood test makes it easier—and safer—to detect concussions.
Notice the phrases question the use of and proposed an alternative way. They suggest that the main idea involves a possible solution to a problem. Here, the main idea is that the problem of detecting concussions without radiation could be solved by a simple blood test.
I think it is “I LIKE TO SEE IT LAP THE MILES” if correct Mark brainliest pls
I believe that you should put a period after quoting a character from a play.
Explanation:

<em>I </em><em>nEEd</em><em> bRainLIeST</em><em> pLz</em>