Someone help me with this please! Look at the images for a picture of the problem What is the first error Jordy made in his proof?
Choose 1

(Choice A)
A
Jordy used an invalid reason to justify the congruence of a pair of sides or angles.

(Choice B)
B
Jordy only established some of the necessary conditions for a congruence criterion.

(Choice C)
C
Jordy established all necessary conditions, but then used an inappropriate congruence criterion.

(Choice D)
D
Jordy used a criterion that does not guarantee congruence.