Identify the sentence with the correct use of the colon:
A. The reasons are: lack of time, lack of resources and lack of interest.
B. The reasons are: lack of time, lack of resources, and lack of interest.
C. The reasons are lack of time, lack of resources, and lack of interest.
D. The reasons are; lack of time, lack of resources, and lack of interest.
The correct form is "The reasons are: lack of time, lack of resources, and lack of interest," using a colon to introduce a list.