Use This List of Technical Steps to Answer the Questions

Use this list of technical steps to answer the questions below.
1. Two cells were fused using a small electrical current.
2. An embryo was implanted into a "surrogate mother."
3. All nuclear DNA was removed from a sperm.
4. A cell was taken from an adult sheep.
5. All nuclear DNA was removed from an egg.
-Which step was the initial step in producing a cloned animal?

A) 3
B) 2
C) 5
D) 4
E) 1