There wasn't a single person in the dark street at that time____she could turn to for help.

Question

A.whom B.to whom

Answer 1

A
从句中turn to for help 中已经包含了to，直接用whom即可，
完整的是turn to whom for help.

Answer 2

There wasn't a single person in the dark street at that time_whom___she could turn to for help.
answer : A

To whom 是给谁。
eg ：to whom it may concern本回答被网友采纳

Answer 3

There wasn't a single person in the dark street at that time_whom_she could turn to for help.

Answer 4

A. whom。因为从句里已经有to了。
如果是B的话，整句句子应该改成
There wasn't a single person in the dark street at that time to whom she could turn for help.