What is identified by the subordinate clause in the following sentence? Brian found a lost wallet while he was playing ball at the park.

A) time
B) location
C) cause and effect
D) result

- "the die is cast; i have consented to return if we are not destroyed. thus are my hopes blasted by cowardice and indecision; i come back ignorant and disappointed. it requires more philosophy than i possess to bear this injustice with patience. i have lost my hopes of utility and glory; i have lost my friend."