Answer:
The moods are different in the sense that:
B. The former has a serious mood, while the latter has a lighter mood.
Step-by-step explanation:
Emily Dickinson's "Because I Could Not Stop for Death" has a far more serious mood. The author uses personification to describe Death as a kind, civil man. The speaker has come to terms with death, accepting it as something natural. Even if the grave, her new home, is cold, it is now her companion for eternity.
On the other hand, in "Some Keep the Sabbath Going to Church", the speaker talks of how she does not need to go to church to keep the Sabbath. According to her, church is for people who wish to go to Heaven in the future, when they die. She, however, already feels as if she is in Heaven when she stays home with her family, her orchard and the birds. As we can see, this poem has a much lighter mood.