Which of A, B and C Below Is Correct? in Case

Multiple Choice

Which of a, b and c below is correct? In Case C- 413/99 Baumbast and R v Secretary of State for the Home Department, the ECJ held that:

A) Article 21(1) TFEU is directly effective.
B) Some implementing measures are still necessary and therefore in their absence Article 21(1) TFEU is not directly effective.
C) That Article 21(1) TFEU can never be directly effective because its wording lacks the necessary clarity and further because it does not grant rights to individuals.