Which sentence does not contain any errors in comma usage?

a.
combine yogurt blueberries, and strawberries for a healthful smoothie.

b.
stephen arlo, and j. t. are on the three-person relay team.

c.
let's determine what to cook, when to serve dinner, and whether we should eat on the patio.

d.
as she walked through the woods, she noticed moss on stones on tree bark and along the path.

the answer is:  

she is proud of her daughter and her game skills.  

explanation:  

the author’s mother sat proudly on the bench telling her admirers   with humility that her skills were luck, waverly's mother felt felt very proud about her and she wanted to intriduce her daughter to everyone they met.

1. read the following excerpt from franklin d. roosevelt's "fireside chat 19":

on the other side of the picture, we must learn also to know that guerilla warfare against the germans in, let us say serbia or norway, us; that a successful russian offensive against the germans us; and that british successes on land or sea in any part of the world strengthen our hands.

remember always that germany and italy, regardless of any formal declaration of war, consider themselves at war with the united states at this moment just as much as they consider themselves at war with britain or russia. and germany puts all the other republics of the americas into the same category of enemies. the people of our sister republics of this hemisphere can be honored by that fact.  

the true goal we seek is far above and beyond the ugly field of battle. when we resort to force, as now we must, we are determined that this force shall be directed toward ultimate good as well as against immediate evil. we americans are not destroyers — we are builders.

analyze the effectiveness of this excerpt. how does it function within the speech as a whole? how does the structure of the excerpt to convey the speech's purpose and key points? support your argument with evidence from the speech. (10 points)