As a rule, the engines are attached under the wings, but, in the case of the modern aircraft, the two side engines are mounted on struts outboard of the fuselage.( )
A.As a rule, the engines are attached under the wings, however, as for modern aircraft, the two side engines are mounted on struts outboard of the fuselage. B.As a rule, the engines are attached under the wings, except for the modern aircraft, the two side engines are mounted on struts outboard of the fuselage. C.As a rule, the engines are attached under the wings, but, besides the modern aircraft, the two side engines are mounted on struts outboard of the fuselage.正确答案A
