Propiophenone with 1-methyl cyclopentanecarbaldehyde in the presence of sodium hydroxide undergoes a crossed aldol reaction. What is the product formed in this reaction?
A) Acetophenone
B) 1-Methylcyclopentanecarbaldehyde
C) 1-Phenylbutan-1-one
D) 1-Methylcyclopentanecarboxylic acid