Which of the following escape sequences should be used to add double quotes to a literal string in C# code? '\q''\'''\"'

Break Down the Problem

1. Identify the purpose of the escape sequence in C#.
2. Evaluate the provided options to find the correct sequence for adding double quotes.

Relevant Concepts

In C#, to include special characters within strings, escape sequences are used. The backslash (\) indicates that the following character should be treated differently.

Analysis and Detail

1. The common escape sequence for a double quote (") in C# is \".
2. The other provided options ('\q', '\'', '\'') do not correspond to the correct escape sequence for double quotes.
   • '\q' is not a valid escape sequence.
   • '\'' represents a single quote ('), not a double quote.

Verify and Summarize

After reviewing the options, we confirm that the proper escape sequence for including double quotes in a string in C# is indeed \".

Final Answer

The correct escape sequence to add double quotes to a literal string in C# is \".