Discomfiture
noun. [mass noun] A feeling of unease or embarrassment; awkwardness. 'many MPs are secretly enjoying his discomfiture
Answer:
i'd say it's A. It makes the most sense, if not that then it would be C but I'm pretty sure it's A.
Explanation:
He probably was feeling like he was drowning in all of his bad feeling and all of the air was getting sucked out of his word
Answer: The Operating system is the software which manages and controls the computer's hardware as well as software resources and it also provides the services for the computer program.
An Application software is the software that performs work in which the firms and the users are directly interested in the accomplishing and thought of the places where the user's works are done.
Others are false because,
An operating system supports the single-user tasks, as well as the multi-users tasks and application software, is also supports both tasks.