Given the task definition and input, reply with output. This task involves asking a question, providing a set of 2 options. You are expected to choose the best answer to the question. The output will be in the form of A or B, corresponding to which option is chosen.

Question:The Sagrada Famlia in Barcelona, which began construction in 1882, was consecrated and declared a basilica by the Pope in what year? ,  Options: [A.1882 B.2010] 

A