TOEFL Reading: ETS-TOEFL阅读机经 - H88351NQK3T8OF5UL$

In paragraph 3, the author mentions the "Hapsburg Empire", "Spain", and "Prussia" in order to A. support the claim that the population explosion covered most of the European continent B. give examples of population growth during the nineteenth century C. suggest that the population of Prussia grew more slowly than the populations of other countries D. demonstrate that the fastest population growth took place in Spain