The Following Sentences Form a Paragraph

The following sentences form a paragraph. For each item, select the letter of the word that is a look-alike/sound-alike error. In the mid-1960s, Chavez's National Farm Workers Association launched a boycott against grape growers that gained national public attention and support. The National Farm Workers Association ultimately became a part of the AFL-CIO, one of the most important union organizations in the country. Chavez's efforts in the 1970s were often thwarted by union disputes. Nonetheless, in 1975, the California legislature past the California Labor Relations Act, due largely to Chavez's efforts.

A) by
B) past
C) due