You’re least likely to feel that an internet source is reliable if the information is posted a. without a specific author b. on the website of a local university c. on the united states department of labor website d. on the behave of the university department

A without a specific author

  i think you forgot to put the options but if your reffering to this question then your answer will be "b"  a. add "to" to the base form to create an adjective.b. when the subject of a sentence is singular, add "–s" to the base form.c. add "–ed" to irregular base forms to form the past participle.d. do not use a base form with plural subjects