|Question 18Verbal

Source Texts

Text
On March 6, 2002, Canadian astronomers detected a striking and unusual phenomenon occurring in the constellation Lepus, 160 million light-years from        explosion of a massive star, also known as a supernova, an extremely bright yet transient event that typically results from the collapse of a star's core.
Which choice completes the text so that it conforms to the conventions of Standard English?
Earth the
A
Earth, it was the
B
Earth: the
C
D
Earth; the
D