The answer is C as it is said at the start of the introductory paragraph I hope this helps
An example of a challenge facing the American people during the late 20th and early 21st century is public education. The American democracy depends on an educated and well informed citizenry.
<span> a) redundant I think not so sure get a second answer just to be sure</span>
The answer is the first one:
Goldfish may stay gold only if kept in a well-lit pond or bowl; in dim light or in a body of running water they lose there color.
Hope this helps!!! :)
