<p>After teaching, becoming involved in several fashionenterprises, and after she founded the Harlem Instituteof Fashion, Lois Alexander Lane launched the BlackFashion Museum.(A) after she founded(B) after the founding of(C) founding(D) she had founded(E) having founded </p>
<p>I think E is right. and I think if there is an “and”, if should be a Complete sentence, but here and is connect two phrases.</p>