Which of These Activities Is Part of the Development of Crop

Multiple Choice

Which of these activities is part of the development of crop plants from wild relatives?
I.people planting seeds of the plants with the characteristic wanted
II.people making observations of desired plant characteristics
III.people eating products from only the plants with desired characteristics
IV.people developing several varieties of crops from a wild relative

A) I and II
B) I and IV
C) I, III, and IV
D) I, II, and IV