23. The word "yet" in line 16 is closest in meaning to (A) however (B) since (C) generally (D) so far

24. What did researchers discover in the study of honeybees discussed in paragraph 2? (A) Bees are able to travel at greater speeds than scientists thought. (B) The bees could travel 25% farther than scientists expected. (C) The bees were able to determine in advance where scientists would place their food. (D) Changing the location of food caused bees to decrease their dance activity.