Exam in the following diagram. Please the labeled layers in order from youngest to oldest

Answer:
C,D,B,A
Explanation:
The oldest would be A according to the LAW OF SUPERPOSITION
Then would be B,
Then would be D,
And lastly, as the youngest, would be C because that lava is coming right from the top of the volcano and going through the other older rocks till reaching the bottom. Although the bottom rocks are the oldest, C would be the youngest as it is actually coming from the top.