In VB the . . . . . . . . function converts a string to a number.

The correct answer is C. val().

The val() function converts a string to a number. It can be used to convert a string that contains a number, such as “123”, to a numeric value, such as 123.

The str() function converts a number to a string. It can be used to convert a numeric value, such as 123, to a string, such as “123”.

The ucase() function converts a string to uppercase. It can be used to convert a string, such as “hello”, to “HELLO”.

The len() function returns the length of a string. It can be used to determine the number of characters in a string, such as “hello” (5 characters).

Here is an example of how to use the val() function:

Dim str As String = "123"