When It Comes to the History of Airports, Which Statement

When it comes to the history of airports, which statement is correct?

A) The oldest continually operating airport began operations in 1930
B) Commercial aviation did not really begin to grow as a means of travel for the general public until the jet age
C) The jet age resulted in commercial travel that could go further with more passengers
D) In the 1960s, the increase in jets led to more efficient and smaller airports
E) Though mostly privately owned at first, due to increasing capital expenditure costs, private companies began to turn to government ownership of airports in the 1970s