Within these last nineteen months at least 45 satellites have circles the earth.
Answer: Option A.
Step-by-step explanation:
In the speech, there are talks about the history of the progress of man. The quest of the man for gaining more knowledge and going on for more development and progress, then it leads to development and the progress of the man. The other points also talk about the opportunities of progress and development.
But point A in the question is not an opinion. It is a fact and not an opinion. This fact tells about how many satellites have gone around the planet earth in the last nineteenth months.