The new drug proved to be highly efective,it has no side effects.

A. PROPERLY CONSTRUCTED SENTENCE
B. COMMA SPLICE
C. LACKS PARALLEL PARTS
D. HAS UNCLEAR PRONOUN

Please post your answer, and we'll discuss it.

A

Please check this site.

http://ace.acadiau.ca/english/grammar/comma.htm

1 answer

This site provides information about comma splices and other grammar rules.