C. That all participating individuals and groups depend on one and other
Answer:
d. Tension erupted in the room when it was revealed that the villian knew that the spy withheld information.
Explanation: The best revision of the sentence is answer d because is grammatically correct, the sentence is in past tense and that is why all the verbs should be in past tense. The word withholding is not in past tense, but the word withheld it is, that's why this answer is grammatically correct.
Answer:
They developed many techniques for structures and construction of all types, including some inventions.
Explanation: