"what reason, it may be asked, is there for supposing in these cases
that two individuals ever concur in reproduction? "
what is the meaning of the word concur as used in this sentence?
a)
agree; be in one accord
b) work together, cooperate
0
coincide; happen at the same time
d)
converge; meet at a definite point

i would say that these are the two thesis statements best for a literary analysis essay on recurring themes in shakespeare's romeo and juliet:

1.  in romeo and juliet, shakespeare demonstrates that love comes in a variety of forms, be it romantic, familial, or between friends.

2.  shakespeare explores the struggle for identity through the character of juliet in his play romeo and juliet.

the other theses aren't reoccurring in this play. 

explanation:

for the comment!

i think it could possibly be b