Sometimes our opinions differ _________ what we choose to observe and how we deal with what we’ve observed

A. which B. since   C. because      D. because of

Sometimes our opinions differ _________ what we choose to observe and how we deal with what we’ve observed

A. whichB. sinceC. becauseD. because of

Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed

Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed

A. which   B. since    C. because of   D. because

Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed

A. which　　　　　　　　　　 B. since

C. because　　　　　　　　　 D. because of