Nhận biết (M1)

On September 18, 2006, American astronomers detected a supernova (the explosion of a massive star) in the constellation Perseus, 240 million light-years from Earth. The powerful blast __________ from the collapse of the star’s core under the force of its own gravity ejected particles at speeds of thousands of miles per second.

Which choice completes the text so that it conforms to the conventions of Standard English?

• A.

  results

• B.

  resulting

• C.

  had resulted

• D.

  resulted