5, 7, 8, 10, 12, 14, 17, 19, ____A21B20C22D23Answer: D. 23 Read Explanation: 5 + 2 =7 7+1=8 8+2=10 10+2=12 12+2=14 14+3=17 17+2=19 19+4=23Read more in App