Read the statement. Decide which of the three guidelines would best help you to check reliability.

Even though I am not a medical doctor, I have studied the situation thoroughly and feel this type of surgery is performed too often without need.

options:
check the copyright date
check the author's qualifications
check with other references

Respuesta :

Answer:

I think that the answer would be C. Hope it helps :)

Explanation:

Jim Robin is a former naval officer and aviator, test pilot, aerospace engineer, and NASA astronaut. He is a veteran of six Space Shuttle missions and is the only American to have commanded five spaceflight missions.

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