Coordinators are sometimes perceived to be （ ）, and will tend to delegate all work, leaving nothing but the delegating for them to do.

4. Now it is a national charity employing 20 people centrally and ________ the work of 400 coordinators employed around the country.

Compound sentences could be formed with_____. A: coordinators B: conjunctive adverbs C: semicolons. D: all of the above.