When reassembling the equipment shown in the illustration, _____________. El-0001 A. item 2A and 2B should not be installed on assembly #2 until assembly #3 or #4 have been secured to assembly #1 B. item 2A and 2B should be installed on assembly #2 regardless of when assembly #3 has been secured in place C. assembly #2 should be aligned into it's position in assembly #1 before assembly #3 or #4 have been positioned on assembly #1 D. item 5 should be secured to assembly #1 to provide support to assembly #2 during the reassembling of the entire unit