Question
In the question given below, a sentence is given,
divided into parts. One of the parts may contain an error. Identify the part that contains the error, and mark it as the answer. Ignore errors of punctuation. In case the sentence is correct as it is, mark option (e), that is, 'No error'. Note - The words in bold are grammatically and contextually correct. A decade ago, NASA chose Boeing and an upstart rival , SpaceX, to ferry astronauts to and from the space station and SpaceX since carried out seven of those missions while Boeing has yet to complete one .Solution
Solution In C, replace the phrase SPACEX SINCE CARRIED with SPACEX HAS SINCE CARRIED as the word SINCE is used with the present perfect tense to describe an action or situation that began in the past and continues into the present. Thus, C is the right answer.
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