Fill in the caption competition No.1

The gentlemen in the above photo are:
(a) Turning the first sod at the Shanghai Inflatable Doll Trade Fair;
(b) Gravediggers of the Central Committee of the Communist Party heroically exceeding their quotas at the funeral of the last member of the Gang of Four;
(c) Performing the ground-breaking ceremony at the start of construction of the Beijing Olympic beach volleyball arena.