It is a good place to play sports
The correct answer is B. The first sentence refers to a general proposition - <em>all combative sports should be strictly monitored</em> - and then it specifies that the Ultimate Fighting Championship (UFC) should fall into a category to be <em>monitored and regulated</em>.
A. Individual productivity is necessary for group productivity.
NOT:
<span>B. Waste isn't a problem in reaching group goals.C. Sacrifice isn't necessary to achieve group goals.
D. Individual productivity is more important than group productivity</span><span>
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Imaoo sameeee they always doing the most