Which sentence does not contain any errors in comma usage? a. ryan has a new wooden baseball bat. b. the modern, and steel refrigerator had three small compartments. c. it is, a pentagonal, military building. d. the leftovers were stored in three, plastic containers.

the autor of the text is bringing the point that one achievment of the president john f. kennedy was a success and this caused the next president to use a similar idea. the purposefor the use of the quotation in the text is to support the idea that peace corps was a result of the president's call. in this case, the quotation is presented as part of the writing and does not stand on its own.

answer a.