Emily Dickinson’s letters to Susan Huntington Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering her letters to anyone else.

(A) Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering
(B) Dickinson were written over a period that begins a few years before Susan’s marriage to Emily’s brother and ended shortly before Emily’s death in 1886, outnumber
(C) Dickinson, written over a period beginning a few years before Susan’s marriage to Emily’s brother and that ends shortly before Emily’s death in 1886 and outnumbering
(D) Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother, ending shortly before Emily’s death in 1886, and outnumbering
(E) Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumber

the kingpin is that, "outnumber" is used as verb in choice "E". the correct sentence is this : BLUE PART

Emily Dickinson’s letters to Susan Huntington Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumber her letters to anyone else

no other choice construct grammatically correct sentence.

hope this will help
Dharmin
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Perseverance, Hard Work and self confidence

I would go with A. E would be correct, if the following red colored words were eliminated.
Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumber
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Mayur

A. Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering
- participle 'ountnumbering' is wrong. It suggests that the letters are still being written.

B. Dickinson were written over a period that begins a few years before Susan’s marriage to Emily’s brother and ended shortly before Emily’s death in 1886, outnumber
- 'begins' is the wrong tense here.

C. Dickinson, written over a period beginning a few years before Susan’s marriage to Emily’s brother and that ends shortly before Emily’s death in 1886and outnumbering
- 'that ends shortly' is wrong

D. Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother, ending shortly before Emily’s death in 1886, and outnumbering
- 'outnumbering is out'

E. Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumber
- This is my chioce. 'which' to introduce the modifier (modify letters), and outnumber to state that the letters are no longer written but they outnumber any other letters she has wrote

E it is.

Ah ... I know where I made the mistake. I was correct when saying that "which" should point to the closest subject and it does, but wrong in identifying the subject.

"Emily Dickinson’s letters to Susan Huntington Dickinson, which were ..."

"to Susan Huntington Dickinson" is a prepositional phrase and not the subject. Emily Dickinson's letters is the subject and 'which' is correctly pointing to it.

HongHu, in your sentence from OG,

From the bark of the paper birch tree the Menomini crafted a canoe about twenty feet long and two feet wide, with small ribs and rails of cedar, which could carry four persons or eight hundred pounds of baggage yet was so light that a person could easily portage it around impeding rapids

about twenty feet long and two feet wide is a prepostional phrase and with small ribs and rails of cedar is a parenthetical element/additional info. The subject is "canoe", so 'which' appropriately points to it.

Thanks Honghu for pointing me my error.
A thorough analysis helps me remember.

Emily Dickinson’s letters to Susan Hunting Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering her letters to anyone else.

A)Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering

B)Dickinson were written over a period that begins a few years before Susan’s marriage to Emily’s brother and ended shortly before Emily’s death in 1886, outnumber

C)Dickinson, written over a period beginning a few years before Susan’s marriage to Emily’s brother and that ends shortly before Emily’s death in 1886 and outnumbering

D)Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother, ending shortly before Emily’s death in 1886, and outnumbering

E)Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumber

I will also go with E.
' letters to Susan Hunting ...........outnumber '

OA is

^ E ^

if "which" in E refers to "letters to Susan", then I will go for E.

A: awkward, ungrammatical.
B: same as A.
C: run on sentence.
D: same as A, B.
E: best one.