|Question 20Verbal

Source Texts

Text
Thousands of years ago, the Olmec civilization's reign over parts of eastern Mexico ended. ____ the Olmecs' massive stone statues of human heads remain. Two of these statues, known as Monument 2 and Monument 53, weigh over 5 tons!
Which choice completes the text with the most logical transition?
Therefore,
A
Secondly,
B
Still,
C
Previously,
D