Option B: Apex Flex Queue.
Monitors batch jobs waiting for execution.
Option C: Apex Jobs.
Shows all asynchronous Apex jobs, including batch and future methods.
Why Not Other Options:
Option A: Developer Console doesn't provide job status.
Option D: Paused Flow Interviews are unrelated to Apex jobs.
Reference:
Apex Jobs Monitoring:
"The Apex Jobs page displays information about all Apex jobs-batch jobs, future methods, scheduled Apex, and Apex test jobs."
- Salesforce Help: Monitor Your Scheduled Jobs