We are a little worried because we _____ the ground as a leader in the field of IT with the others speeding up development．
A．a(chǎn)re losingB．were losing
C．lostD．have lost
A
考查時態(tài)：句意是：我們有點擔(dān)心，其他人在快速發(fā)展而我們正在失去IT領(lǐng)域領(lǐng)導(dǎo)者的地位。可知是正在失去，用現(xiàn)在進(jìn)行時，選A。
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