The is all of the male parts of the flower.

a. sepal

b. tepal

c. androecium

d. all of the above

Male Parts 

Stamen 
This is the male part of the flower. It is made up of the filament and anther, it is the pollen producing part of the plant. The number of stamen is usually the same as the number of petals. 
Anther 
This is the part of the stamen that produces and contains pollen. It is usually on top of a long stalk that looks like a fine hair. 
Filament 
This is the fine hair-like stalk that the anther sits on top