GMAT Verbal Reasoning Practice Test 8

HOTSPOTThe graph refers to a captive population of animals. For each month of an 11-month period, it depicts the number of animals that died and the number of animals that were born. These were the only population changes; no animals joined the population from outside, and no animals (except those that died and were removed) left the population.
Based on the information provided, select from each drop-down menu the option that creates the most accurate statement