Four Negative Charges Are Moved in a Uniform Electric Field

Multiple Choice

Four negative charges are moved in a uniform electric field E on the paths shown in the figure here. The dots represent the initial and the arrows the final positions of the charge. The charges that increased their electric potential energy are

A) 1 and 2.
B) 3 and 4.
C) 2, 3, and 4.
D) 1, 2, 3, and 4.