单选题 According to the passage, early American parishioners held which of the following views concerning parish demography?

• (A) Migration between towns stands in direct contrast with the accumulation of population in cities.
• (B) Parish populations would grow at fairly equal rates, given the fact that those who left a parish in response to life course events were usually replaced.
• (C) Migration between parishes was a rare enough phenomenon that it was unnecessary to keep records of it in any fashion.
• (D) Parish populations often chose to remain sedimentary as a result of the homogeneity of the various countryside parishes.
• (E) Parish populations owed their existence on the whole to the influx of populations due to life course events.