You need to implement the requirement for the project “testF”. Which of the following steps would you apply for this requirement? Choose three answers from the options given below.

Answer options:

A.Use the release pipeline editor.
B.Use the triggers tab.
C.Make sure to enable gates.
D.Ensure to add a manual intervention task.
E.Ensure to Add Query Work items.

Answer – A, C and E 
You can add gates that can be used to validate whether there is no active bug against the application. The Microsoft documentation mentions the following. 

You can put up queries to search for values of interest, which can be used by then. The below snapshots from the Microsoft documentation showcases how this can be achieved. 
First, go to the release pipeline editor. 

Then Query for Work Items 

Then define the condition for the work items 

Since this is clearly mentioned in the documentation, all other options are incorrect. 
For more information on gates, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/devops/pipelines/release/approvals/gates?view=azure-devops