What’s the problem of the middle income people working generally for small employers

[A] The House of Commons is the most powerful part of Parliament.
[B] General elections for the House of Commons are held at least every 6 years.
[C] The ultimate authority for law-making is in the House of Commons.
[D] The House of Commons consists of 651 members of Parliament.

[A] Beowulf is the oldest poem in the English language.
[B] Beowulf is the most important specimen of Anglo-Saxon literature.
[C] the main stories of Beowulf are based on the folk legends of the primitive northern people.
[D] Beowulf presents us an all-round picture of the slavery society.