【答题库最新整理国开(电大)人文英语3-1379网上形考机考题库】Apple developed its iPad-based textbooks in ____________ with major textbook publishers.

【答题库最新整理国开(电大)人文英语3-1379网上形考机考题库】Apple developed its iPad-based textbooks in ____________ with major textbook publishers.
选择一项：
A. form
B. link
C. conjunction
译文：苹果公司和主要的教材出版商一起开发了基于iPad的教材。