In VB, The. . . . . . . . function converts all the characters of a string to capital letters.

str()
ucase()
val ()
len()

The correct answer is B. ucase().

The ucase() function converts all the characters of a string to uppercase letters.

The str() function returns a string representation of a value.

The val() function converts a string to a numeric value.

The len() function returns the length of a string.