Which best explains a difference between Anne's and Mr. Frank's viewpoints? Question 3 options: 
A.Mr. Frank believes the burglars will betray the annex residents; 
B.Anne does not. Anne believes that Peter can be trusted; 
C.Otto is less sure. Mr. Frank believes the D-day invasion is a good sign; 
D.Anne does not. Anne believes that her mother will improve over time; Mr. Frank does not.