The fact has worried many scientists _____ the earth is becoming warmer and warmer these years.
A. what B. which C. that D. though
The fact has worried many scientists _____ the earth is becoming warmer and warmer these years.
A. what B. which C. that D. though
C
句意: 近年来全球气候不断变暖, 这一事实使得很多科学家感到担忧。本题考查同位语从句。该题同位语从句结构完整, 故选连词that。