Which of the following cells do not contain nucleus?_x005F_x000D_ 1. Root hair cells_x005F_x000D_ 2. Red blood cells_x005F_x000D_ 3. Platelets_x005F_x000D_ 4. Monocytes_x005F_x000D_ Select the correct answer using the code given below.

• A. 1 only
• B. 2 and 3 only
• C. 1, 2 and 4
• D. 2, 3 and 4