In which aspect are wolves greatly different from monkeys and apes

A．How long has the subject slept
B．How long is the subject wakened after his dream
C．How long has the subject’s dream lasted
D．How long can the dreamer fall into asleep

A．towards soldiers and other human beings
B．except towards animals such as lions, leopards, tigers or wild cats
C．unless their own particular area is invaded
D．towards other groups of the same species of monkey or ape