CONCEPT: The question tests on Overlapping sets.
Number of Men are = 150-70=80 men
Number of women who did NOT try the appetizer = 70-30 = 40 women out of 50 people who did NOT try the appetizer.
Hence number of men who did NOT try the appetizer = 50-40=10 out of 80 men
=>Number of men who tried the appetizer = 80-10=70 men (OPTION D)