How does the use of vosotros vs ustedes affect present tense verb forms in different Spanish-speaking regions?

• A. In Spain, ustedes forms are used: hablan, comen, viven.
• B. In Spain, vosotros forms are used: habláis, coméis, vivís; In Latin America, ustedes replace vosotros with hablan, comen, viven.
• C. In Spain, vosotros forms are used; In Latin America, vos forms are used.
• D. In Spain, present tense uses ustedes only; In Latin America, vosotros forms are used.

Answer: (B)