The archaeologist unearthed the ancient artifacts, delicately brushing away the layers of soil that had accumulated over centuries. What context clues in the sentence best help determine the meaning of the word "unearthed"?Read the following sentence:"The archaeologist unearthed the ancient artifacts, delicately brushing away the layers of soil that had accumulated over centuries.What context clues in the sentence best help determine the meaning of the word "unearthed"?(1 point)

A over centuries
B the archaeologist
C brushing away the layers of soil

C brushing away the layers of soil