French dialects developped from the Vulgar Latin which was brought to Northern Gaul with the Roman conquest in the 1st century B.C.
Answer:
Pretty sure it's B. Use of language
Explanation:
Many have heard it, but nobody has ever seen it. It will not speak back until spoken to. What is it? The answer to the riddle is an echo. Echo is the reflection of the sound that when it is released by the speaker, it arrives back to the speaker (now listener) but is delayed.