Answer: A
Explanation: Enough comma but not too many and there is a period to end the sentence.
1. When the sun rises, the blue birds are singing, playing, and flying
2. After hibernating, the bear cubs emerging from their dens, playing with a stick, and looking for food.
3. The gardeners and I watering the daisies, tending to the roses, and trimming the trees.
4. The student brilliantly, cleverly, and believing when delivering his speech.
5. There are making thins I need to do today, like going the store, going to the gas station, and getting a haircut.
BTW i tried my best although i have never done anything like this so some may possibly be incorrect though some may right.
Yes comprehension a highly intellectual activity
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Taste receptors are responsible for the production of saliva
hope this helps:))
