although prohibitively expensive at first, some libraries now own three - dimensional printers, industrial…

although prohibitively expensive at first, some libraries now own three - dimensional printers, industrial robots which can produce a huge variety of objects. choose 1 answer: a no change b three - dimensional printers, industrial robots which can produce a huge variety of objects, are now available at some libraries. c three - dimensional printers are now available at some libraries, industrial robots which can produce a huge variety of objects. d some libraries, industrial robots which can produce a huge variety of objects, now own three - dimensional printers.

although prohibitively expensive at first, some libraries now own three - dimensional printers, industrial robots which can produce a huge variety of objects. choose 1 answer: a no change b three - dimensional printers, industrial robots which can produce a huge variety of objects, are now available at some libraries. c three - dimensional printers are now available at some libraries, industrial robots which can produce a huge variety of objects. d some libraries, industrial robots which can produce a huge variety of objects, now own three - dimensional printers.

Answer

Brief Explanations:

La opción original (A) tiene un problema de claridad en la estructura. La opción B reordena la frase de manera que sea más clara. Indica que los impresores tridimensionales y los robots industriales están disponibles en algunas bibliotecas. Las opciones C y D crean estructuras de oración confusas.

Answer:

B. three - dimensional printers, industrial robots which can produce a huge variety of objects, are now available at some libraries.