Nhận biết (M1)

The visual magnitude scale, which measures the brightness of stars, is reverse logarithmic: the brighter a star, the lower its magnitude number. __________ the star Dubhe, the 34th brightest in the sky, has a higher visual magnitude number (1.79) than does the brighter star Adhara. The 22nd-brightest star, Adhara has a magnitude of 1.5.

Which choice completes the text with the most logical transition?

• A.

  On the other hand,

• B.

  For example,

• C.

  Nonetheless,

• D.

  Moreover,