The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Modification spaces are:   (A) Spaces other than the original class   (B) Space posterior to all teeth   (C) Space anterior to all teeth   (D) Additional space in class IV
['(A) Spaces other than the original class <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Spaces other than the original class \n (B) Space posterior to all teeth \n (C) Space anterior to all teeth \n (D) Additional space in class IV <> possible answers', '  Modification spaces are: <> context@']