Approbation from alcohol & i think tobacco as well.
Answer:
A locked door can symbolize opportunities that you have not worked towards yet, or opportunities that you haven't been able to achieve. Or, a goal you haven't been able to achieve.
Explanation:
A locked door. Locked doors are doors that need a key to be unlocked, right? So, if the opportunities/goals that you have are behind that door, you need the "key", which is the hard work and effort you put into achieving that goal.
The term integration refers to the ability to transfer information from one type of program to another. The correct answer is D.