31.
									
										“If you open a school, you close a prison.” It means that :
									
								
															
														
																									
										A:
											Schools are built on the land where there were prisons.
									
																										
										B:
											The spread of education ends crime.
									
																										
										C:
											School children throw stones at prison building.
									
																										
										D:
											Opening ceremony of a school causes much grief and pain to prison officials.
									
																								 
							
																
									The answer is:
										B
									
								
														
							
								
								
							
							
							
								