Personal data assistants,,are hand-held electronic devices.

A. Which called PDAs
B. called PDAs
C. calling PDAs
D. that are calling PDAs

help please and please take it serious

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech