Explanation:

- The Dot operator is used in programming languages like C, C++, and Java to access a member (attribute or method) of a structure or an object. It is a way to connect a structure variable to its elements.

- The Plus operator is used for addition operations in arithmetic expressions, not for connecting structure variables.

- The Minus operator is used for subtraction in arithmetic expressions, and it does not connect structure variables.

- The Multiply operator is used for multiplications in arithmetic expressions, unrelated to structure elements.

Answer: Option 1 - Dot operator