(单选题)7: 执行下列语句后Q的值等于（ ）。
??
SIGNAL E: STD_LOGIC_VECTOR (2 TO 5);
SIGNAL Q: STD_LOGIC_VECTOR (9 DOWNTO 2);
??
E<=(2=>’0’, 4=>’0’, OTHERS=>’1’);
Q<=(2=>E (2), 4=>E (3), 5=>’1’, 7=>E (5), OTHERS=>E (4));
??
A: “11011011”
B: “00110100”
C: “11011001”
D: “00101100”
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