27（）

单项选择题26（）

A．about
B．in
C．into
D．by

单项选择题In this article, the writer mainly wants to tell the readers（）

A．that the universe is so large that we cannot imagine it
B．where the planets in the universe came from
C．how the high mountains were formed on the sun
D．why the tides over the surface of the sun were so powerful