Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
FIRST STEP BEAMED TO A WAITING WORLD
About six and a half hours after Eagle landed, its hatch (1) ______ and the Apollo 1 commander backed slowly out to its little porch. On the (2) ______ he paused, pulled a lanyard, and thus deployed the MESA, or modularized equipment stowage assembly, just to the left of the ladder.

As the MESA lowered into (3) ______ position with its load of equipment for lunar prospecting, a seven-pound Westinghouse TV camera mounted atop the load began shooting black-and-white (4) ______ pictures. Fuzzy and scored with lines, the pictures nonetheless held earthlings spellbound. No one who sat that July night welded to his TV screen will ever forget the (5) ______ sight of that ghostly foot groping slowly past the ladder to Eagle's footpad, and then stepping tentatively into the virgin soil. Man had made his first footprint on the moon.

About six and a half hours after Eagle landed, its hatch (1) ______ and the Apollo 1 commander backed slowly out to its little porch.