What happened!!? HUGE drop in Verbal..

Hi, guys. I just came back from my test, with the unpleasant surprise of my verbal score dropping around 9 points (39-40 to 31): https://s22.postimg.org/fi8hkfm8d/gmats.png This meant a drop of 30 points of what i had been scoring (710 to 680 Kaplan's CAT1-7 | Official CAT 8). I guess that if i had ...