Robinson Crusoe said he lived in fear for two years after seeing the footprint in the sand.
Answer:
A
Explanation:
Why the others are incorrect:
B: The comma isn't really introducing anything, it's just breaking the sentence up from the speaker.
C: There isn't any need for a comma between beginning and with
D: There isn't any need for the commna between are and math.beginning
Henry Ford integrated a number of earlier ideas into a practical process for making automobiles.
The answers are: the 4th one and the 3rd one. These are CORRECT. HAVE A GREAT DAY. ALSO, PLEASE MARK MY ANSWER AS BRAINLIEST.