The answer is: <u>B. checking off tasks as they are completed.
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Explanation:
Let's discard the other options firstly... All assignments should be of same importance, although sometimes we have a more difficult one, however, that doesn't restate importance to the others, so this is the reason why letter A ,C and C aren't correct. When you check off tasks as they are completed you are giving them the same importance, but also you are able to realize what other task you need to do sooner, and as soon as you finish it, check it off and so forth...
