2. Mr. Green measured his rectangular garden by walking, and found the two sides to be 15 steps and 20 steps. Mr. Green's step length is 2 feet. If he plants potatoes in the garden, expecting to produce 0.5 pounds per square foot, then Mr. Green can harvest ( ) pounds of potatoes from the garden.
(A) 600
(B) 800
(C) 1000
(D) 1200
(E) 1400
2. A.
$$
(15 \times 2) \times(20 \times 2) \times 0.5=600 \text {. }
$$