Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
Characterize each compound in terms of functional groups present using the response list. Responses may be used more than once or need not be used at all.
-Pentanedial

A) one aldehyde functional group
B) two aldehyde functional groups
C) one ketone functional group
D) one aldehyde and one ketone functional group