Answer:
D) CE
Explanation:
For A),
BD bisects opposite side of ∠ B. Hence, it is the median.
For B)
A!F is perpendicular to side BC and hence it is an altitude of Δ ABC.
For C)
BC is the side of Δ ABC
For D)
CE is the line segment such that ∠BCE = ∠ECA.
Therefore, CE is the angle bisector of Δ ABC.