Which of the following are valid options for processing queue messages? (Choose Two.)
A. A single compute instance can process only one message at a time.
B. A single compute instance can process up to 31 messages at a time.
C. A single compute instance can retrieve up to 32 messages at a time.
D. Messages can be read one at a time or in batches of up to 32 messages at a time.
E. Messages are deleted as soon as they are read.
