Read the excerpt from “the telephone: a truer tale.” at about the same time that antonio meucci was filing patent caveats for his talking telegraph, alexander graham bell was starting to work on his own telephone model. bell was an expert in the field of elocution, or vocal speech. he was very skilled at teaching deaf students the challenging task of speaking aloud. just like meucci, he enjoyed experimenting. bell also dreamed of a world full of useful telephones, just as meucci did. however, he had something that meucci did not. bell had a wealthy father-in-law who was happy to invest in his dream. based on the details of this excerpt, a reader can infer

taking into account that a theme is the central topic a text treats and can be developed through a story, play, poem etc. the following are themes that can be further developed:  

my best friend jeffrey has many unusual interests. (the story could be about each of the unususal interests)

once a man gives his soul over to evil, he can never go back. (this could be a saying or a proverb)

the three sheepdogs lay around the yard all day. (it could be developed detailing how each of these sheepdogs lay around)

a priest's collar has an unusual effect upon people. (it could be developed detailing the different effect upon people)

innocence is a powerful force in a world full of corruption. (it could be developed detailing how is a world full of corruption)

king lear is a play shakespeare wrote later. (it is just a sentence and doesnt give any idea or topic to be discussed in details.

evil often wears the disguise of innocence. (this could be a saying or a proverb)

the first step is to convey the appropriate emotions.

ccd puts the honeybee populations and crop health at risk.

the above detail from paragraph 2 supports the inference about honeybee.

"a" because he is appealing to logic as oppose to appealing to the audience's emotions.