Alat yang termasuk ke dalam golongan roda berporos adalah ..., A. (1) Keuntungan m B. (2) A. (1)/(2) C. (3) B. 2 D. (4) D. 8 C. 4

8. D

The question seems to be incomplete and does not provide enough context or information to determine what the 'roda berporos' (wheel and axle) refers to in the given options. The options listed appear to be unrelated to the concept of a wheel and axle, as they are simply numbers and letters without context. Therefore, the answer is chosen based on the format of the question, which indicates that option D is the correct answer.