How Does an Initialism Differ from an Acronym

Multiple Choice

How does an initialism differ from an acronym?

A) An initialism is more likely to be misinterpreted than an acronym because it can have more than one meaning.
B) The individual letters are pronounced in an initialism rather than being read as a word like an acronym.
C) An initialism includes periods between the letters in the abbreviation while an acronym does not include periods.
D) Initialisms are frowned upon by the Institute for Safe Medical Practices while acronyms are acceptable to this group.