The young scientist had only one resource at her disposal during her pioneering experiments ______ a battered secondhand microscope she had salvaged from a university surplus sale.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
, being
- B
;
- C
(empty)
- Dcheck_circle
:
Explanation
A colon introduces a noun-phrase elaboration of "only one resource." A semicolon requires an independent clause; ", being" is awkward; " " is a run-on.