|Question 16Verbal

Source Texts

Text
Many works of the Greek mathematician Euclid (3rd century BCE) are ______ his Elements, a treatise of mathematical knowledge, is an extant work: it can still be read.
Which choice completes the text so that it conforms to the conventions of Standard English?
lost and conversely,
A
lost, conversely,
B
lost. Conversely,
C
lost, and conversely
D