If you concatenate strings together with the plus sign (+), which of the following statements is true?

Select one:

a.
Only the longer input string will appear in the output string

b.
No spaces will be added to separate the parts within the output string

c.
A space will be automatically added to separate each part within the output string

d.
The resulting string must be less than 128 characters in length

b. No spaces will be added to separate the parts within the output string