Differentiate between the following sentences: “They will go” and “They are going.”

A. Both are in the future tense.

B. Both are in the present progressive tense.

C. “They will go” is in the future tense, and “They are going” is in the present progressive tense.

D. “They will go” is in the present progressive tense, and “They are going” is in the future tense.