Definently A because you can rule all the others out if you look at map
Answer:

Explanation:
Angular momentum, L = m v r
areal velocity = 
according to kepler's 2nd law

since, we know that

areal velocity= 
now substituting value of v in areal velocity we get

hence from above equation of rate of change of area swept i.e. areal velocity is proportional to 
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