Which sentence uses dashes correctly?
a. there on the stage was—my sister!
b. the coat—one of the most colorful that i've seen, seemed to be made of string.
c. today we studied—a poem, did an experiment, and multiplied fractions.
d. i'd love to stay and talk, but—yikes! i'm really late now.

hancock was president of congress when the declaration of independence was adopted and signed. he is primarily remembered by americans for his large, flamboyant signature on the declaration, so much so that "john hancock" became, in the united states, an informal synonym for signature.

explanation:

idk

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