Few materials in nature combine such contradictory properties ______ spider silk is both lighter than cotton and stronger than steel.
Which choice completes the text so that it conforms to the conventions of Standard English?
- A
, but
- B
;
- Ccheck_circle
:
- D
however
Explanation
The second clause explains/illustrates the first; a colon is the strongest choice. A semicolon merely links without showing explanation; ", but" implies contrast not present; " however" creates a run-on.