ACCORDING TO THE PASSAGE , WHEN WAS THE UNIVERSE FORMED

2/ - §Ò THI CHÄN ®ÉI TUYÓN ®I THI HÄC HSG CÊP HUYÖN LÍP 9 THCS §Ò THI CHÄN ®ÉI TUYÓN ®I THI HÄC HSG CÊP HUYÖN LÍP 9 THCS N¨M HÄC 2005 2006 M«N TIÕNG ANH THÊI GIAN LΜM BΜI 150 PHÓT KH«NG KÓ THÊI GIAN GIAO
Lớp 9 Tiếng Anh §Ò THI CHÄN ®ÉI TUYÓN ®I THI HÄC HSG CÊP HUYÖN LÍP 9 THCS §Ò THI CHÄN ®ÉI TUYÓN ®I THI HÄC HSG CÊP HUYÖN LÍP 9 THCS N¨M HÄC 2005 2006 M«N TIÕNG ANH THÊI GIAN LΜM BΜI 150 PHÓT KH«NG KÓ THÊI GIAN GIAO
2/ According to the passage , when was the universe formed?a. Ten billion years ago.b. Fifteen billion years agoc. At T = 0 d. Twenty billion years ago