our sCiEntiFiC FinDings CAnnot BE rEgArDED As ______ in suCh A short pErioD oF timE.
[A] to hAvE BEEn oBtAinED
[B] to BE oBtAinED
[C] hAving BEEn oBtAinED
[D] BEing oBtAinED