Galileo Galilei published his theory of the movement of planets in "Dialogue Concerning the Two Chief World Systems," an attack on the Ptolemaic conception of the Sun's motion as well as an exposition of his new theory to replace it.
A. an attack on the Ptolemaic conception of the Sun's motion as well as an exposition of his
this sentence is describing "Dialogue concerning the two chief world system" ... parallelism is good on this - an attack on...as well as an exposition of
B. an attack on the Ptolemaic conception of the Sun's motion and his expositing of a
this is not parallel .. attack on ....and his expositing
C. an attack on the Ptolemaic conception of the Sun's motion and expositing as well
this is not parallel .. attack on ....and expositing as well
D. attacking the Ptolemaic conception of the Sun's motion and also an exposition of his
Published his theory ...by attacking the conception ? modifier is not correct
E. attacking the Ptolemaic conception of the Sun's motion as well as the expositing of his
Published his theory ...by attacking the conception ? modifier is not correct
A seems to be the better answer!