我们都相信人总是要死的，一盏烛光总有一天要熄灭的，我认为这感觉是好的。它使我们清醒，使我们悲哀，它也使某些人感到一些诗意。此外还有一层最为重要：它使我们能够坚定意志，去想过一种合理的、真实的生活，随时使我们感悟到自己的缺点。它也使我们心中安宁，因为一个人的心中有了那种接受恶劣遭遇的准备，才能够获得安宁。

A．male insects are always smaller than females
B．in a given species nature provides differences between sexes to insure successful reproduction
C．size and strength protect females from other females
D．longevity is characteristic of the Dynastes and Megasoma

The author quotes the six lines from John Keats’ poem to call attention to ______. h. the beauty of the poetry B. Keats’ historical error C. the vastness of the Pacific D. the silence in Darien