What print statement will output a single backslash $(\backslash )$ character?

a$.$ print$(\text{'}\backslash \text{'})$

b$.$ print$(\text{'}\backslash "\text{'})$

c$.$ print$(\text{'}\backslash \backslash \backslash \text{'})$

d$.$ print$(\text{'}\backslash \backslash \text{'})$