Which two are causes of output queue drops on FastEthernet0/0?

Refer to the exhibit.

Which two are causes of output queue drops on FastEthernet0/0? (Choose two.)

A.
an oversubscribed input service policy on FastEthernet0/0

B.
a duplex mismatch on FastEthernet0/0

C.
a bad cable connected to FastEthernet0/0

D.
an oversubscribed output service policy on FastEthernet0/0

E.
The router trying to send more than 100 Mb/s out of FastEthernet0/0