It can be inferred from the first paragraph that
A. oil was first discovered and used in the Middle East.
B. the oil age is short-lived and has already come to its end.
C. the shortage of kerosene led to the use of petrol and diesel.
D. the oil age is largely attributed to technological developments.
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Many white Americans are frightened to core because
A. the number of immigrants will exceed that of American natives by 2050.
B. immigrants will account for a large part of the population by 2050.
C. immigrants will populate the USA, including those remote communities.
D. the young immigrants will increase obesity and criminality in America.