In Webtop, by default, what is the maximum number of results that are returned for a search?
A. 1,000 results, with up to 350 results from a single source
B. 500 results, with up to 200 results from a single source
C. 750 results, with up to 250 results from a single source
D. 2,000 results with up to 500 results from single source