Of the contemporary artists who are exploring large-scale drawings on walls, specializes in the medium of chalk. yvonne jacquette sol lewitt gary simmons elise engler raymond pettibon

Mr. Simmons is an American artist who frequently utilizes social generalizations in his specialty to pass on a particular message. He is one of the unique artists today who utilizes chalk to do that, drawing gigantic pictures on a dark foundation which surprises his group of onlookers.

the sculpture i am pretty sure you are talking about is the statue b. the david statue now lives in the galleria dell'accademia, florence, italy. it was made by ‎michelangelo.

correct answer is b "write as much as you can about the subject so you might earn extra-credit points"