According to your textbook, when citing sources during a speech, a speaker should usually identify the

When citing sources during a speech, a speaker should identify the ;book, magazine, newspaper, or web document being cited. The speaker should also identify the author or sponsoring organization responsible for the document as well as the qualifications of the author concerning the topic.

Explanation:

Citing sources during a speech is an oral citation. this means that the speaker is giving a verbal reference to the original source in the speech. The speaker has to include some important information when making this reference. This information above, when provided by the speaker, will support the speakers argument in that speech.

These information like the the title of the work being talked about, the author of the work, and the qualifications of the author concerning the topic should be identified by the speaker.

the illustration   that would give a reader a clear understanding of the text is a picture of men constructing the frame of a building.the frame is made of iron bars. the text describes the job of blacksmiths'. these were very organised and they had different names: "the driver" and "the heater". the text describes the way in which these men worked ; they worked iron pieces as if they were playing a sport. in fact, the text wants to show the men's skills. the text also puts some emphasis on the use of '' rivets'' in construction. this kind of nails were not always used in the construction of manhattan.

some examples:

"and with an underhand toss he hurled the smoking rivet straight at the catcher, who caught it in mid-air in his catching can." men's skills

"when the driver was ready for a new " the emphasis on the rivet ( special nail used in construction).

" it against a beam to remove any cinders, and jammed it into the waiting hole. " the emphasis on the rivet.

i would pick a. i think this is more of a personal question though.