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.
This is true.
This was one of the key concepts of the entire movement. According to them, there are three layers of imagination.
Sentences that delay the main point until the end of the sentence are called periodic.
B compound object because the objects are the preparation and planning.
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