How do I keep a conversation going

simply, just ask questions (how their day is going, the weather, anything you can think of), compliment them, don't be afraid to let it keep quiet, it'll come to you in time :)

what he said above me         look up that's the answer

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.