The two quotations that show why artists in Paris disliked the Eiffel Tower are:
B. "Paris was home to hundreds of influential artists and writers, and many were horrified by a building they considered ugly and structurally flawed." (Paragraph 4)
A. "Yet this tower, a celebrated icon, was initially designed as a temporary structure and received a decidedly chilly reception from many of the most influential artists in Paris." (Paragraph 1)
These quotations highlight the artists' negative perception of the tower as ugly and flawed.