1) Either the attic has moisture or pipes are leaking to the outside wall. 2) The pipes aren't the problem because 3) a plumber checked them out. 4) So it must be the attic. Select the best analysis of the above passage. a) 3 is the interim conclusion. 2 supports 3. 4 is the main conclusion. b) 4 is the interim conclusion. 3 is the main conclusion. 2 supports 3 c) 2 is the interim conclusion. 3 supports 2. 4 is the main conclusion d) 4 is the interim conclusion. 2 is the main conclusion. 1 supports 4