Help me for grammar ?

[be-yeu]

The first textile mills ___________ in the United States were located in New England
A. to establish
B. were established
C. being established
D. to be established

Which answer I should choose ? Please hepl me :(

[be-yeu]

may bac ko chiu tra loi gi het a

[dgvu89]

c đó bạn (theo pp loại trừ :D)