What special character does the $\text{'}\backslash$b$\text{'}$ escape sequence generate?

Question $6$ options:

a$)$

It generates a border special character.

b$)$

It generates a bold special character, causing all text after the character to be bolded.

c$)$

It denotes a block of text follows the escape sequence.

d$)$

It produces a backspace special character, which performs the same function as the backspace key.