If the Sun Were to Be Instantly Replaced by a 1

Multiple Choice

If the Sun were to be instantly replaced by a 1 M_SUN black hole, the gravitational pull of the black hole on Earth would be

A) much greater than it is now.
B) the same as it is now.
C) much smaller than it is now.
D) larger or smaller, depending on the location of the Moon.
E) irrelevant, because Earth would quickly fall into the Sun and be destroyed.