Most house business is conducted within the committee of the whole because this arrangement doesn't require a quorum.
A committee of the whole is a device in which a legislative body or other deliberative assembly sits as a single committee with all assembly members being committee members.
The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.