Which of the following statements about connecting paragraphs is correct?
a. you can't state an idea in paragraph 2 that's related to an idea in paragraph 1.
b. two paragraphs may be joined by an action verb.
c. you can use a pointing word that that refers to a word in the previous paragraph.
d. a good connection between two paragraphs is an implied transition

i think its a.

an ugly duckling is teased by the other ducklings. when she grows up, however, the ducklings discover that she is a beautiful swan

in my opinion, anyone should be allowed to marry as long as it's not going against any laws. though i kind of contradict myself because i know that in some states and countries, gay marriage isn't legal yet- hopefully you get my point.