Which statement best describes the igneous crustal bedrock below locations A, B, C, and D?
A) The bedrock below D is mostly basalt; below A, B, and C, the bedrock is mostly granite. 
B) The bedrock below D is mostly granite; below A, B, and C, the bedrock is mostly basalt. 
C) The bedrock below A, B, C, and D is mostly basalt. 
D) The bedrock below A, B, C, and D is mostly granite.
                                             
                                          
                                          
                                        
											