The young pianist composed her first concerto at age fifteen ______ and performed it with the city's youth symphony the following spring.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
;
- B
:
- Ccheck_circle
(empty)
- D
,
Explanation
"Composed...and performed" share one subject — a compound predicate. No comma is used before "and."