What is the reason for this fourth statement in this proof plz see attached

Answer:
Option C. Subtraction Property of Equality
Step-by-step explanation:
Statement Reason
3. AB+BC+CD=CD+DE+EF Transitive Property of Equality
If we subtract CD from both sides of the equation:
AB+BC+CD-CD=CD+DE+EF-CD
Statement Reason
4. AB+BC=DE+EF Subtration Property of Equality
The correct option C (Subtraction Property of Equality)
Statement Reason
3. AB+BC+CD=CD+DE+EF Transitive Property of Equality
If we subtract CD from both sides of the equation:
AB+BC+CD-CD=CD+DE+EF-CD
Statement Reason
4. AB+BC=DE+EF Subtration Property of Equality