The 18th-century chemist Antoine Lavoisier developed the first modern list of elements ______ he was executed during the French Revolution before he could finish many of his experiments.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
but
- B
, but,
- C
; but,
- Dcheck_circle
, but
Explanation
Comma plus FANBOYS "but" correctly joins two independent contrasting clauses. " but" is a run-on; the others are over-punctuated or nonstandard.