Read the paragraph given below and fill in the blanks with options that follow :
Amitabh Bachchan is (a) ……….. (one/two/a/of) of the greatest actors this country has produced. His fluency, his gift of timing, his command (b) ………… (of/over/***/upon) the language is unparalleled, (c) ………… (never/ otherwise/always/sometimes) his histrionic talents too are among the (d) ……….. (best/better/worst/good) this country has produced.