Question 32: The phrase " move in lockstep " in paragraph 1 is closest in meaning to __________ . A. evolve in completely unpredictable sequ...

Question 32: The phrase "move in lockstep" in paragraph 1 is closest in meaning to __________.

A. evolve in completely unpredictable sequences         B. progress through strictly regulated urban phases

C. transition toward more sustainable climate goals         D. advance in close and simultaneous relationship