WHAT IS THE MAIN IDEA OF THIS PASSAGE

79. - DE THI THU DAI HOC MON ANH VA DAP AN
DE THI THU DAI HOC MON ANH VA DAP AN
79. What is the main idea of this passage? A. Alfred Nobel became very rich when he invented dynamite. B. Alfred Nobel created awards in six categories for contributions to humanity. C. Alfred Nobel left all of his money to science D. Alfred Nobel made a lasting contribution to humanity