Which sentence uses pronouns incorrectly? They carefully examined my work, knowing that I had done it myself.
We were proud of the result, having completed the fence all by ourselves.
Due to your hard work, yourselves have been a credit to the group.
Please feel free to join them, although I myself am staying behind.

Due to your hard work, yourselves have been a credit to the group

Explanation:

Yourselves is the incorrect pronoun

beowulf sets out on his journey for daneland. -- 1

hrothgar welcomes beowulf. -- 2

beowulf waits for grendel to attack heorot. -- 3

beowulf succeeds in defeating grendel by tearing off his arm. -- 4

beowulf fights with grendel’s mother. -- 5

beowulf sets out for his fight with the dragon. -- 6

beowulf sets out for his geatish homeland. -- 7

i feel like it is actually b.