Read the text and mark the option that fills the blanks correctly.

Artificial intelligence (Al) _______ around since the birth of computers in the 1950s. The original pioneers _________ of making 'computer brains' that could perform the same kinds of tasks as our own brains, such as playing chess or translating languages. But hopes that Al would quickly reach human-level intelligence ________ to fruition. Over the following decades, technology _______ at an exponential rate. Computers got faster, and the internet ________.