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.
Answer:
You treat her like other and you welcome him as you friend
Explanation:
That my example
The tone is more depressing
Answer:
A.
Explanation:
Whom should be used to refer to the object of a verb or preposition. When in doubt